Biochemical Systematics and Ecology最新文献

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Chemotaxonomy according to leaf terpenes of eight cypress species growing in the Czech Republic in the light of modern phylogenetic classification

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-08 DOI: 10.1016/j.bse.2025.104980

Alexandra Malhocká, Martina Švábová, Tomáš Suchý

There have been many attempts to create a systematic arrangement of gymnosperms confirming the phylogenetic relationships among extant plants. Chemical data obtained by analysing leaf terpenes by gas chromatography have been used to study the chemotaxonomic characters of cypress species in an attempt to support modern phylogenetic classification. While the dominant terpenes proved to be reliable distinguishing features at the individual level of species, the relative proportions of individual terpene fractions were a significant feature distinguishing individual cypress genera. The Juniperus and Sabina genera were characterized by the highest content of monoterpenes (Sabina virginiana up to 95%). Genus Juniperus also contained higher amounts of sesquiterpenes (e.g. hedycaryol) and diterpenes (e.g. totarol), but genus Sabina showed a negligible content of these terpene fractions. Genus Xanthocyparis showed the highest content of diterpenes (up to 59%) of all species studied here, but a lower content of monoterpenes and sesquiterpenes. Genus Chamaecyparis was characterized by balanced amounts of mono- and sesquiterpenes and also by a higher content of diterpenes (e.g. beyerene, totarol). Although genus Taxodium is from the Taxodioideae subfamily, it showed a terpene fractions content very similar to that of genus Juniperus from the subfamily Cupressoideae. Chemical data proved to be a reliable biomarker corresponding to the phylogenetic classification of conifers. No significant effect of seasonality on leaf terpenes production was proved in a study over a period of 6 years, with exception of the Sabina pfitzeriana and Chamaecyparis lawsoniana species. Slight differences were revealed among individual seasons.

{"title":"Chemotaxonomy according to leaf terpenes of eight cypress species growing in the Czech Republic in the light of modern phylogenetic classification","authors":"Alexandra Malhocká, Martina Švábová, Tomáš Suchý","doi":"10.1016/j.bse.2025.104980","DOIUrl":"10.1016/j.bse.2025.104980","url":null,"abstract":"<div><div>There have been many attempts to create a systematic arrangement of gymnosperms confirming the phylogenetic relationships among extant plants. Chemical data obtained by analysing leaf terpenes by gas chromatography have been used to study the chemotaxonomic characters of cypress species in an attempt to support modern phylogenetic classification. While the dominant terpenes proved to be reliable distinguishing features at the individual level of species, the relative proportions of individual terpene fractions were a significant feature distinguishing individual cypress genera. The <em>Juniperus</em> and <em>Sabina</em> genera were characterized by the highest content of monoterpenes (<em>Sabina virginiana</em> up to 95%). Genus <em>Juniperus</em> also contained higher amounts of sesquiterpenes (e.g. hedycaryol) and diterpenes (e.g. totarol), but genus <em>Sabina</em> showed a negligible content of these terpene fractions. Genus <em>Xanthocyparis</em> showed the highest content of diterpenes (up to 59%) of all species studied here, but a lower content of monoterpenes and sesquiterpenes. Genus <em>Chamaecyparis</em> was characterized by balanced amounts of mono- and sesquiterpenes and also by a higher content of diterpenes (e.g. beyerene, totarol). Although genus <em>Taxodium</em> is from the Taxodioideae subfamily, it showed a terpene fractions content very similar to that of genus <em>Juniperus</em> from the subfamily Cupressoideae. Chemical data proved to be a reliable biomarker corresponding to the phylogenetic classification of conifers. No significant effect of seasonality on leaf terpenes production was proved in a study over a period of 6 years, with exception of the <em>Sabina pfitzeriana</em> and <em>Chamaecyparis lawsoniana</em> species. Slight differences were revealed among individual seasons.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104980"},"PeriodicalIF":1.4,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Metabolomic study of daytime and nighttime extrafloral nectars of Cleome gynandra L. via 1H NMR combined with chemometrics

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-07 DOI: 10.1016/j.bse.2025.104979

Vinícius S. Pinto , Pedro A.B. Ferreira , Murilo M. dos Anjos , Christian D. Gomides , Luciano M. Lião

Extrafloral nectars are considered rewards the plant offers to organisms that can act as protectors. These substances are nutritious aqueous solutions, which reinforces a possible mutualistic relationship. Since the plant metabolism differs according to the period evaluated (day or night), the composition of the nectars should also be distinct, which may result in different plant-animal relationships. In this context, the present study aimed to evaluate the chemical composition of the extrafloral nectars of the plant Cleome gynandra L., collected in the morning and evening periods. The chemical profiles were determined via ¹H Nuclear Magnetic Resonance spectroscopy. The results indicated the majority presence of carbohydrates, followed by amino acids and organic acids. The results also allowed the identification of a pattern of change in the identity of the carbohydrates offered during the day and night, suggesting that this change may be relevant to the relationship between plants and insects.

{"title":"Metabolomic study of daytime and nighttime extrafloral nectars of Cleome gynandra L. via 1H NMR combined with chemometrics","authors":"Vinícius S. Pinto , Pedro A.B. Ferreira , Murilo M. dos Anjos , Christian D. Gomides , Luciano M. Lião","doi":"10.1016/j.bse.2025.104979","DOIUrl":"10.1016/j.bse.2025.104979","url":null,"abstract":"<div><div>Extrafloral nectars are considered rewards the plant offers to organisms that can act as protectors. These substances are nutritious aqueous solutions, which reinforces a possible mutualistic relationship. Since the plant metabolism differs according to the period evaluated (day or night), the composition of the nectars should also be distinct, which may result in different plant-animal relationships. In this context, the present study aimed to evaluate the chemical composition of the extrafloral nectars of the plant <em>Cleome gynandra</em> L., collected in the morning and evening periods. The chemical profiles were determined via <sup>1</sup>H Nuclear Magnetic Resonance spectroscopy. The results indicated the majority presence of carbohydrates, followed by amino acids and organic acids. The results also allowed the identification of a pattern of change in the identity of the carbohydrates offered during the day and night, suggesting that this change may be relevant to the relationship between plants and insects.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104979"},"PeriodicalIF":1.4,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143354073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chemical constituents from Dendrobium huoshanense and their chemotaxonomic significance

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-07 DOI: 10.1016/j.bse.2025.104978

Huan Liu , Hui Yang , Bai-Lin Su , Bo-Wei Li , Peng-Yu Zhuang , Xiao-Xia Wang , Hang Liu

Twenty-three known compounds were separated from the 75% ethanol extract of D. huoshanense, which are divided into four categories: bibenzyl derivatives (1–14), alkaloids (15–19), butanolides (20, 23), phenolic compounds (21, 22). Their structures were determined based on NMR spectroscopic data and validated through comparison with previously reported data. Among them, Compounds 1, 15–18 and 23 represent the first instances of being extracted from Orchidaceae family. Compounds 2 and 20 were isolated firstly from the genus Dendrobium. Additionally, compounds 5–8, 14 and 19 have been isolated from D. huoshanense for the first time. It is worth noting that compounds 18 and 23 were isolated from plants for the first time. Furthermore, the taxonomic implications of the isolated compounds are examined.

{"title":"Chemical constituents from Dendrobium huoshanense and their chemotaxonomic significance","authors":"Huan Liu , Hui Yang , Bai-Lin Su , Bo-Wei Li , Peng-Yu Zhuang , Xiao-Xia Wang , Hang Liu","doi":"10.1016/j.bse.2025.104978","DOIUrl":"10.1016/j.bse.2025.104978","url":null,"abstract":"<div><div>Twenty-three known compounds were separated from the 75% ethanol extract of <em>D. huoshanense,</em> which are divided into four categories: bibenzyl derivatives (<strong>1</strong>–<strong>14</strong>), alkaloids (<strong>15</strong>–<strong>19</strong>), butanolides (<strong>20, 23</strong>), phenolic compounds (<strong>21</strong>, <strong>22</strong>). Their structures were determined based on NMR spectroscopic data and validated through comparison with previously reported data. Among them, Compounds <strong>1</strong>, <strong>15</strong>–<strong>18</strong> and <strong>23</strong> represent the first instances of being extracted from Orchidaceae family. Compounds <strong>2</strong> and <strong>20</strong> were isolated firstly from the genus <em>Dendrobium</em>. Additionally, compounds <strong>5</strong>–<strong>8</strong>, <strong>14</strong> and <strong>19</strong> have been isolated from <em>D. huoshanense</em> for the first time. It is worth noting that compounds <strong>18</strong> and <strong>23</strong> were isolated from plants for the first time. Furthermore, the taxonomic implications of the isolated compounds are examined.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104978"},"PeriodicalIF":1.4,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143302030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

MS-DIAL and MS-FINDER-assisted dereplication of the edible mushroom, Phlebopus beniensis crude extract and fractions: Chemophenetic significance

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-07 DOI: 10.1016/j.bse.2025.104977

Isabela R. Molina , Jhuly W. Ferreira Lacerda , João P. Ernzen , Lucas Pradi , Geovanna de O. Costa , Carime L. Mansur Pontes , Maria Alice Neves , Mario Steindel , Xavier Siwe-Noundou , Derek T. Ndinteh , Louis P. Sandjo

The edible mushroom Phlebopus beniensis, was extracted, fractionated and the chemical profiles of the obtained fractions were established by dereplication of UPLC-ESI-QTOF-MS data assisted by MS-Dial and MS-Finder databases. Among the 35 detected secondary metabolites, sphingolipids, glycerophospolipids, a cerebroside, an iridoid, a lipophosphocholine, tetronic acid derivatives, and a pyrrole alkaloid were identified as main components. The identified lipids derivatives and part of these tetronic acids are herein reported for the first time in P. beniensis. The crude extract and fractions were evaluated for their inhibitory effect against the Trypanosoma cruzi enzyme, trypanothione reductase (TryTR). The n-butanol fraction showed inhibitory percentages of 99.0 ± 1.8 % (corresponding to the IC₅₀ value of 23.2 ± 7.3 μg/mL) and was more active than the crude extract (inhibitory effect of 4.8 ± 3.3%). The chemophenetic significances of the identified compounds were discussed.

{"title":"MS-DIAL and MS-FINDER-assisted dereplication of the edible mushroom, Phlebopus beniensis crude extract and fractions: Chemophenetic significance","authors":"Isabela R. Molina , Jhuly W. Ferreira Lacerda , João P. Ernzen , Lucas Pradi , Geovanna de O. Costa , Carime L. Mansur Pontes , Maria Alice Neves , Mario Steindel , Xavier Siwe-Noundou , Derek T. Ndinteh , Louis P. Sandjo","doi":"10.1016/j.bse.2025.104977","DOIUrl":"10.1016/j.bse.2025.104977","url":null,"abstract":"<div><div>The edible mushroom <em>Phlebopus beniensis,</em> was extracted, fractionated and the chemical profiles of the obtained fractions were established by dereplication of UPLC-ESI-QTOF-MS data assisted by MS-Dial and MS-Finder databases. Among the 35 detected secondary metabolites, sphingolipids, glycerophospolipids, a cerebroside, an iridoid, a lipophosphocholine, tetronic acid derivatives, and a pyrrole alkaloid were identified as main components. The identified lipids derivatives and part of these tetronic acids are herein reported for the first time in <em>P. beniensis</em>. The crude extract and fractions were evaluated for their inhibitory effect against the <em>Trypanosoma cruzi</em> enzyme, trypanothione reductase (TryTR). The n-butanol fraction showed inhibitory percentages of 99.0 ± 1.8 % (corresponding to the IC<sub>50</sub> value of 23.2 ± 7.3 μg/mL) and was more active than the crude extract (inhibitory effect of 4.8 ± 3.3%). The chemophenetic significances of the identified compounds were discussed.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104977"},"PeriodicalIF":1.4,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143302031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chemical constituents from the aerial parts of Clematis peterae

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-05 DOI: 10.1016/j.bse.2025.104976

Pan-Pan Yu , Meng-Ya Chen , Ya-Ru Wu , Yong-Qi Guo , Ying-Zhen Tang , Zi-Han Zhu , Yang-Yang Ma , Shi-Hui Qian , Nan Yao , Zhen-Lin Li

The phytochemical investigation of the aerial parts of Clematis peterae Hand-Mazz. led to a total of twenty-six constituents, including a triterpenoid, fourteen triterpenoid saponins, seven flavonoids, three phenylpropanoids and a coumarin. Their structures were identified by comprehensive spectroscopic analysis and comparison with literature data. All compounds were reported from C. peterae for the first time and kaempferol 3-glucuronide (19), quercetin-3-O-β-d-glucopyranosyl (1 → 3)-β-d-glucopyranoside (20), isovitexin 6″-O-E-caffeate (22) and 3,4,5-tri-O-caffeoylquinic acid (25) were firstly isolated from Ranunculaceae plants. This study also discussed the chemotaxonomic significance of these compounds.

引用次数: 0

Chemical constituents and chemotaxonomic studies from Agrimoniae Herba (Agrimonia pilosa Ledeb.)

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-04 DOI: 10.1016/j.bse.2025.104975

Jin He, Yongkang Xue, Long Jin, Tieqiang Zong, Yanan Liu, Shengbao Diao, Jinfeng Sun, Wei Zhou, Gao Li

A phytochemical study of Agrimoniae Herba (Agrimonia pilosa Ledeb.), led to the isolation of twenty-eight compounds, including eleven triterpenoids (1–11), seven flavonoids (12–18), four galactolipids (19–22), three phenols (23–25), two sterols (26–27), and one isocoumarin (28). The structures of these compounds were identified by spectroscopic data and compared with those previously reported. Compounds 1, 4, 10, 19, 21, 22 and 25–27 were the first to be reported in the family Rosaceae, compounds 9, 20 and 23–24 were firstly identified from the genus Agrimonia. The chemotaxonomic study of these compounds is discussed.

引用次数: 0

Chemical constitutes from the flower buds of Wikstroemia chamaedaphne Meissn. (Thymelaeaceae) and their chemotaxonomic significance

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-02-03 DOI: 10.1016/j.bse.2025.104974

Yifei Liu , Tongtong Yu , Xuefen Hou , Li Li , Hai Zhu , Qi Zhang , Jun He , Lingzhi Li

A phytochemical investigation of flower buds of Wikstroemia Chamaedaphne Meissn. resulted in the isolation of 21 terpenoids (1–21), three lignans (22–24) and one aromatic compound (25). These compounds were elucidated using spectroscopic methods and comparing their data to those reported in the literature. Compounds 14, 18 and 22 were first isolated from the family Thymelaeaceae. Compounds 17, 19–21 and 25 were initially obtained from the genus Wikstroemia, while terpenoids 5, 15 and 16 have not been previously isolated from this species. In addition, distribution mapping of terpenoids was performed to explore their possible chemotaxonomic values among species of the family Thymelaeaceae, Euphorbiaceae, Lamiaceae, Rosaceae and Asteraceae.

引用次数: 0

Sponge taxonomy in the -omics era: resolving Haplosclerida polytomies with phylogenetics and metabolomics

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-01-31 DOI: 10.1016/j.bse.2025.104971

Camille V. Leal , André Bispo , Mirelle Takaki , Vitor F. Freire , Maggie M. Reddy , Fabiano L. Thompson , Eduardo Hajdu , Olivier P. Thomas , Roberto G.S. Berlinck

With several new taxa described every day, we are still in the Age of Discovery of the biodiversity. On the other hand, the sixth mass extinction of biological species is underway, rapid, and aggressive, which renders the description of biodiversity to inform conservation, of high priority. Systematics allows a reliable assessment of biological diversity, facilitating conservation management. Unfortunately, marine invertebrates often present few morphological characters that help to define boundaries and classify taxa. Therefore, the integration of new approaches and data is necessary to obtain more robust diagnostic characters enabling a more accurate identification of the taxa. The sponge order Haplosclerida is no exception within the Metazoa in general when it comes to a sizeable mismatch between the growing phylogeny of the group and its accepted classification. The monophyly of marine haplosclerids is well supported, whereas many of the Haplosclerida families and even genera are paraphyletic. A deep morphological, molecular and metabolomic investigation of all species of the genus Arenosclera (Callyspongiidae, Haplosclerida) allowed a reassessment of the genus’ diagnosis, a description of the new genus Arenospicula gen. nov., and a reorganization of species in the classification. Our results highlight the potential of an integrative approach to solve part of the extensive mismatch between phylogeny and classification for the Haplosclerida. Integration of morphology, molecular and metabolomic data is a robust way to face the challenge of widespread polyphyly in every non-monotypic higher taxon within the Haplosclerida. Integration of these data could also lead to a more accurate and natural view of genera and family boundaries of currently para- and polyphyletic taxa in marine invertebrates.

{"title":"Sponge taxonomy in the -omics era: resolving Haplosclerida polytomies with phylogenetics and metabolomics","authors":"Camille V. Leal , André Bispo , Mirelle Takaki , Vitor F. Freire , Maggie M. Reddy , Fabiano L. Thompson , Eduardo Hajdu , Olivier P. Thomas , Roberto G.S. Berlinck","doi":"10.1016/j.bse.2025.104971","DOIUrl":"10.1016/j.bse.2025.104971","url":null,"abstract":"<div><div>With several new taxa described every day, we are still in the Age of Discovery of the biodiversity. On the other hand, the sixth mass extinction of biological species is underway, rapid, and aggressive, which renders the description of biodiversity to inform conservation, of high priority. Systematics allows a reliable assessment of biological diversity, facilitating conservation management. Unfortunately, marine invertebrates often present few morphological characters that help to define boundaries and classify taxa. Therefore, the integration of new approaches and data is necessary to obtain more robust diagnostic characters enabling a more accurate identification of the taxa. The sponge order Haplosclerida is no exception within the Metazoa in general when it comes to a sizeable mismatch between the growing phylogeny of the group and its accepted classification. The monophyly of marine haplosclerids is well supported, whereas many of the Haplosclerida families and even genera are paraphyletic. A deep morphological, molecular and metabolomic investigation of all species of the genus <em>Arenosclera</em> (Callyspongiidae, Haplosclerida) allowed a reassessment of the genus’ diagnosis, a description of the new genus <em>Arenospicula</em> gen. nov., and a reorganization of species in the classification. Our results highlight the potential of an integrative approach to solve part of the extensive mismatch between phylogeny and classification for the Haplosclerida. Integration of morphology, molecular and metabolomic data is a robust way to face the challenge of widespread polyphyly in every non-monotypic higher taxon within the Haplosclerida. Integration of these data could also lead to a more accurate and natural view of genera and family boundaries of currently para- and polyphyletic taxa in marine invertebrates.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104971"},"PeriodicalIF":1.4,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing chemical diversity in essential oil compositions of Mint (Mentha spp.) cultivars and clones using Multivariate analysis

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-01-26 DOI: 10.1016/j.bse.2025.104972

İsa Telci̇ , Temel Özek , Gülmira Özek , Selma Devri̇m , Sevde Eryiğit

The morphological characteristics and chemical composition of plants are shaped by a combination of genetic factors and environmental influences. In particular, plants are continual pressure for variation due to environmental stresses and hybridization. The study aims to assess the chemodiversity among cultivars and clones of Mentha species cultivated under same climatic and soil conditions. The essential oil compositions of 83 samples, representing 11 different Mentha species, were analyzed with Gas Chromatography-Mass Spectrometry (GC-MS). Chemical profiles were classified using multivariate analysis techniques, including Principal Component Analysis (PCA), Hierarchical Cluster Analysis (HCA), and Mean Absolute Deviation (MAD). The results reveal that, despite inter-and intraspecific hybridization in Mentha species, similar chemotypes were observed across different species. Conversely, within the same species, chemotype diversity was present. Centroid clustering also demonstrated that closely related mint species tended to cluster together locally. The analysis identified 16 different chemical groups (chemotypes) among the 83 mint samples studied. Of these 83 samples, 31 were found to be rich in carvone, ranging from 36.4% to 77.7%. In addition to commercial chemotypes such as menthol and menthol/menthone, rare chemotypes were identified, suggesting their potential significance for taxonomic classification. Additionally, the identification of chemotypes containing compounds with newly recognized physiological significance highlights the need to cultivate chemotypes rich in these compounds to meet the growing demands of the industry. Overall, this study sheds light on the chemodiversity within Mentha species and underscores the importance of understanding and harnessing this diversity for various applications.

{"title":"Assessing chemical diversity in essential oil compositions of Mint (Mentha spp.) cultivars and clones using Multivariate analysis","authors":"İsa Telci̇ , Temel Özek , Gülmira Özek , Selma Devri̇m , Sevde Eryiğit","doi":"10.1016/j.bse.2025.104972","DOIUrl":"10.1016/j.bse.2025.104972","url":null,"abstract":"<div><div>The morphological characteristics and chemical composition of plants are shaped by a combination of genetic factors and environmental influences. In particular, plants are continual pressure for variation due to environmental stresses and hybridization. The study aims to assess the chemodiversity among cultivars and clones of <em>Mentha</em> species cultivated under same climatic and soil conditions. The essential oil compositions of 83 samples, representing 11 different <em>Mentha</em> species, were analyzed with Gas Chromatography-Mass Spectrometry (GC-MS). Chemical profiles were classified using multivariate analysis techniques, including Principal Component Analysis (PCA), Hierarchical Cluster Analysis (HCA), and Mean Absolute Deviation (MAD). The results reveal that, despite inter-and intraspecific hybridization in <em>Mentha</em> species, similar chemotypes were observed across different species. Conversely, within the same species, chemotype diversity was present. Centroid clustering also demonstrated that closely related mint species tended to cluster together locally. The analysis identified 16 different chemical groups (chemotypes) among the 83 mint samples studied. Of these 83 samples, 31 were found to be rich in carvone, ranging from 36.4% to 77.7%. In addition to commercial chemotypes such as menthol and menthol/menthone, rare chemotypes were identified, suggesting their potential significance for taxonomic classification. Additionally, the identification of chemotypes containing compounds with newly recognized physiological significance highlights the need to cultivate chemotypes rich in these compounds to meet the growing demands of the industry. Overall, this study sheds light on the chemodiversity within <em>Mentha</em> species and underscores the importance of understanding and harnessing this diversity for various applications.</div></div>","PeriodicalId":8799,"journal":{"name":"Biochemical Systematics and Ecology","volume":"120 ","pages":"Article 104972"},"PeriodicalIF":1.4,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chemical and molecular identification of sweet pitaya (Stenocereus thurberi) fruit variants with different pulp coloration

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Biochemical Systematics and Ecology

Pub Date : 2025-01-24 DOI: 10.1016/j.bse.2025.104970

V.A. De la Torre-Velázquez , J.A. Orozco-Avitia , Á.J. Ojeda-Contreras , M. Ovando-Martínez , C. Hayano-Kanashiro , M.Á. Hernández-Oñate

Sweet pitayas are fruits produced by Stenocereus thurberi. The pulp's fruit is strikingly colored due to the presence of pigments known as betalains. Some chemical and proximal attributes of sweet pitayas vary according to fruit's pulp color suggesting that each variant has a specific nutritional value and genetic information. DNA barcoding is a potential tool to identify the genetic variability of individuals producing different colored pitayas, which can discriminate among variants. In this study, a chemical and a proximal analysis using the pulp of orange, red, and pink sweet pitayas from Sonora (Mexico) were performed. A cluster analysis using pulp color data was carried out to identify clusters of individuals producing the same color. In addition, single and multi-locus barcodes using rbcL, matK and trnH-psbA loci were used to identify possible genetic differences among individuals that produce orange, red, pink, and white sweet pitayas from Sonora. Phylogenetic trees using UPGMA and Kimura-2-Parameter were performed to evaluate the differences among color groups with single and multi-locus barcodes. Some chemical components of pitaya's pulp (i.e., betalains, protein, and titratable acidity), vary according to fruit pigmentation, suggesting that each variant has a specific composition of metabolites. The multi-locus DNA barcode rbcL + matK + trnH-psbA was the best alternative for identifying the genetic diversity of individuals producing sweet pitaya variants of different colors. This approach demonstrates a strong potential for rapid and efficient identification of the biological diversity of pitaya variants, offering an alternative to traditional taxonomic methods.

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