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Overview on bioactive compounds’ profile of Brassicaceae microgreens: An approach on different production systems and the use of elicitors 芸苔科微绿植物生物活性化合物研究综述:不同生产体系及激发子的应用
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0113
Marina Rocha Komeroski, Alessandro de Oliveira Rios, Simone Hickmann Flores, Tâmmila Venzke Klug
We investigated the literature to find the bioactive compounds’ profile of Brassicaceae microgreens and the influence of different production systems and the elicitors use in its overall quality. For this, a summary of the latest progress in bioactive compounds qualification and quantification are presented in the relevant databases. Determining the exact role of production systems is not a straightforward process, although it seems to have greater influence according to the intended plant. From the nutritional point of view, the microgreens production demonstrates a high content of bioactive compounds. The use of elicitors, as one of the dependent variables, appears to increase the concentrations of bioactive compounds, especially the use of the light. Besides that, the conditions of growth, harvest and processing remain crucial factors that should be considered in the successful development of the seed.
通过对相关文献的梳理,了解了芸苔科微绿中生物活性成分的分布特征,以及不同生产体系和诱生剂的使用对其整体品质的影响。本文综述了生物活性化合物鉴定和定量研究的最新进展。确定生产系统的确切作用并不是一个简单的过程,尽管根据预期的工厂,它似乎有更大的影响。从营养的角度来看,生产的微型蔬菜显示出高含量的生物活性化合物。激发子的使用,作为一个因变量,似乎增加了生物活性化合物的浓度,特别是光的使用。除此之外,生长、收获和加工条件仍然是种子成功开发应考虑的关键因素。
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引用次数: 0
Does the stage of decomposition of fallen logs influence the bryophyte community? Understanding the epixylic bryophytes in a Nebular Forest in Southeastern Brazil 落木分解的阶段对苔藓植物群落有影响吗?了解巴西东南部一个星云林的附生苔藓植物
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0024
Jéssica Soares de Lima, Mateus Luis Barradas Paciencia, Denilson Fernandes Peralta
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引用次数: 0
Contact with natural areas influences Brazilian high school students’ ability to recognize native plant species 与自然区域的接触影响了巴西高中生识别本地植物物种的能力
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2021-0249
Patrícia da Silva Sousa, Maria Jaislanny Lacerda e Medeiros, Letícia Sousa dos Santos Ferreira, Clarissa Gomes Reis Lopes
Limited experiential contact to natural environment can affect the knowledge of the local flora and, consequently, the intentions to conserve it. Therefore, this study aims to analyze whether high school students from Teresina (PI-Brazil) can identify more species of native than exotic plants and the factors that can affect this ability. 333 students from state public schools were interviewed through semi-structured questionnaires and with printed images of 20 species of plants found in the region. The data were analyzed using univariate non-parametric statistics. The results show that living in the countryside positively influenced the identification of local flora, but there was no significant difference in the number of identified plants between students who attended botany classes and those who did not. Two native plants (cashew-96.7% and pitomba-91.9%) and three exotic plants (mango-90.7%, guava-94.9% and acerola-82.0%) stood out among the most identified plant species. It was also found that, for two species of native plants very important for the State of Piauí, the caneleiro (0.6%) and the carnauba (26.7%), the identification rates were scarce. Thus, it is necessary to use Environmental Education and the teaching of Botany to prioritize native plant species, valuing local ecology and ensuring their protection.
与自然环境有限的经验接触会影响对当地植物群的认识,从而影响保护它们的意图。因此,本研究旨在分析来自Teresina (PI-Brazil)的高中生是否能够识别更多的本地植物种类,以及影响这种能力的因素。来自公立学校的333名学生接受了半结构化的问卷调查,并获得了该地区发现的20种植物的图片。数据分析采用单变量非参数统计。结果表明,生活在农村对当地植物的识别有积极的影响,但在识别植物的数量上,上过植物学课的学生与没有上过植物学课的学生没有显著差异。2种本地植物(腰果96.7%、皮桐91.9%)和3种外来植物(芒果90.7%、番石榴94.9%、针叶树82.0%)的鉴定率最高。此外,对于Piauí国家重要的原生植物caneleiro(0.6%)和carnauba(26.7%),鉴定率很低。因此,有必要利用环境教育和植物学教学来优先考虑本地植物物种,重视当地生态并确保其保护。
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引用次数: 0
Regional risk assessment of high-altitude field mosses 高海拔野外藓类区域风险评价
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2022-0291
Mateus Tomás Anselmo Gonçalves, Denilson Fernandes Peralta, Nivea Dias dos Santos
The Itatiaia National Park protects important Atlantic Forest remnants as well as a large number of rare bryophyte species. We reassessed the conservation status of 45 species of endemic and/or threatened mosses occurring in high-altitude fields in the Park. The conservation analysis followed the International Union for Conservation of Nature guidelines. The GeoCAT software was used to calculate the Extent of Occurrence (EOO) and Area of Occupancy (AOO). The threat vectors were characterized based on field observations and data from the literature. After the reassessment, 31 species were considered threatened, with 16 being considered vulnerable (VU), seven critically endangered (CR), and eight endangered (EN). Two species were considered “near threatened” (NT) and three were considered “data deficient” (DD), and seven were considered “least concern” (LC). The main threats in that region are wildfires and excessive tourism - factors that lower habitat quality and reduce their EOO and AOO. Recommendations to minimize imminent losses of the local bryoflora include incentives for research and microhabitat protection. Our results are designed to aid in the elaboration of conservation strategies for mosses in the Serra da Mantiqueira mountains.
意大利国家公园保护着重要的大西洋森林遗迹以及大量稀有的苔藓植物物种。我们重新评估了公园内高海拔地区特有或受威胁的45种苔藓植物的保护状况。保护分析遵循了国际自然保护联盟的指导方针。采用GeoCAT软件计算发生范围(EOO)和占用面积(AOO)。根据现场观察和文献资料对威胁媒介进行了表征。重新评估后,31种物种被认为是受威胁的,16种被认为是脆弱的(VU), 7种被认为是极度濒危的(CR), 8种被认为是濒危的(EN)。2种被认为是“近危”(NT), 3种被认为是“数据不足”(DD), 7种被认为是“最不关注”(LC)。该地区的主要威胁是野火和过度旅游,这些因素降低了栖息地质量,减少了它们的EOO和AOO。为尽量减少当地苔藓菌群即将遭受的损失而提出的建议包括鼓励研究和保护微生境。我们的研究结果旨在帮助制定Serra da Mantiqueira山脉的苔藓保护策略。
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引用次数: 0
Discovery of Backusella paraconstricta sp. nov. (Mucorales, Mucoromycota) in an upland forest in northeastern Brazil with an identification key for Backusella from the Americas 在巴西东北部的高地森林中发现了背孢菌(Mucorales, Mucoromycota),并获得了美洲背孢菌的鉴定钥匙
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0061
Francisca Robervania Soares dos Santos, Thalline Rafhaella Leite Cordeiro, Catarina Letícia Ferreira de Lima, Maria Alice Barbosa dos Santos, Leslie Waren Silva de Freitas, Eleni Gentekaki, Luciana Melo Sartori Gurgel, Cristina Maria de Souza-Motta, Hyang Burm Lee, André Luiz Cabral Monteiro de Azevedo Santiago
During a survey of mucoralean fungi in soil from an upland forest area located in Pernambuco, Brazil, a strain of Backusella (URM 8637) was isolated. Based on morphological, physiological, and molecular data [internal transcribed spacer (ITS) and large subunit (LSU) ribosomal DNA regions], it was recognized that this Backusella differed from all other species in the genus. Morphologically, the new species is characterized as forming varied-shaped columellae, including elongated, basally constricted, unisporate (rare) and multisporate sporangiola, and ellipsoidal sporangiospores. The maximum temperature growth of URM 8637 on malt extract agar and potato dextrose agar was 36 °C. In the phylogram, it was closely related to B. constricta. Based on the evidence from the analyzed datasets, a new species of Backusella is proposed. An updated identification key for Backusella from the Americas is provided.
在对巴西伯南布哥一高地林区土壤中mucoralean真菌的调查中,分离到一株Backusella (URM 8637)。基于形态学、生理学和分子数据[内部转录间隔区(ITS)和大亚基(LSU)核糖体DNA区域],人们认识到该Backusella与属中所有其他物种不同。形态学上,新种的特点是形成多种形状的小孢子,包括细长的,基部收缩的,单孢子(罕见)和多孢子的孢子囊,椭圆形的孢子囊孢子。URM 8637在麦芽膏琼脂和马铃薯葡萄糖琼脂上的最高生长温度为36℃。在系统分布图上,与缢蛏亲缘关系较近。根据所分析的资料,提出了一种新的Backusella属。提供了来自美洲的Backusella的最新识别密钥。
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引用次数: 0
Curcuma tuanii (Zingiberaceae) a new species of subgenus Ecomata from northern Vietnam based on morphological and molecular evidence 姜黄科姜黄亚属一新种——基于形态和分子证据的研究
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0028
Hoang Tuan Nguyen, Ngọc Anh Nguyen, Leonid Averyanov, Danh Duc Nguyen, Chi Toan Le
A new species, Curcuma tuanii (Zingiberaceae), is described and illustrated from Hoa Binh Province northern Vietnam based on both the morphological and molecular data. The species is morphologically compared with its closest allies from subgenus Ecomata. Additionally, the anatomical structures of the species were provided.
根据形态和分子资料描述了越南北部和平省一新种姜黄(姜黄科)。该物种在形态上与其亚属中最接近的盟友进行了比较。此外,还提供了该物种的解剖结构。
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引用次数: 0
Stachytarpheta lajedicola (Verbenaceae), a new species from the Caatinga of Minas Gerais state, Brazil: the first report of the genus in limestone outcrops 巴西米纳斯吉拉斯州Caatinga一新种——马鞭草属(Stachytarpheta lajedicola):该属首次在石灰岩露头中发现
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0039
Pedro Henrique Cardoso, Gabriel Barros da Silva, Pablo Hendrigo Alves de Melo, Luiz Menini Neto, Marcelo Trovó
Stachytarpheta is one of the largest genera of Verbenaceae, found mainly in the campos rupestres of Brazil. We describe a new species, Stachytarpheta lajedicola, and report for the first time the occurrence of the genus in limestone outcrops. The new species is endemic to the Caatinga domain, northern Minas Gerais state, growing in an open karst formation of the municipality of Matias Cardoso, locally known as Lajedão. Its main diagnostic characteristics are the branches with well-developed longitudinal edges, leaves with attenuate to caudate apex, and inflorescences with linear bracts, exceeding the calyx in length. We provide a detailed description, illustrations, photographs, a geographic occurrence map, and comparisons with the morphologically similar species. Stachytarpheta lajedicola may be considered Critically Endangered (CR), and the biological importance of Lajedão and the conservation of the new species are discussed.
Stachytarpheta是马鞭草科最大的属之一,主要分布在巴西的campos rupestres中。本文描述了一新种lajedicola Stachytarpheta,并首次报道了该属在石灰岩露头中的出现。这种新物种是米纳斯吉拉斯州北部Caatinga地区的特有物种,生长在Matias Cardoso市的开放喀斯特地层中,当地称为lajed o。其主要的诊断特征是分枝纵缘发达,叶先端渐弱至尾状,花序有线状苞片,花序长度超过花萼。我们提供了详细的描述、插图、照片、地理分布图,并与形态相似的物种进行了比较。本文讨论了lajed o的生物学重要性和新物种的保护问题。
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引用次数: 0
How climate change will change the potential distribution of two wood-decaying fungi? 气候变化将如何改变两种木材腐烂真菌的潜在分布?
4区 生物学 Q4 PLANT SCIENCES Pub Date : 2023-01-01 DOI: 10.1590/1677-941x-abb-2023-0021
Danilo C. Santos, Ailton M. A. Oliveira, Renato L. M. Alvarenga, Tatiana B. Gibertoni
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引用次数: 0
Morphometric studies suggest taxonomic changes in a species complex in Chromolaena (Asteraceae, Eupatorieae, Praxelinae) 形态计量学研究提示了一种杂种的分类学变化(Asteraceae, Eupatorieae, Praxelinae)
IF 1.1 4区 生物学 Q4 PLANT SCIENCES Pub Date : 2022-12-19 DOI: 10.1590/1677-941x-abb-2022-0126
A. L. Christ, D. D. Saraiva, J. Nakajima, M. Ritter
The Chromolaena congesta complex (Asteraceae, Eupatorieae) presents a difficult challenge for biodiversity researchers due to the intertwined connections of its species and the difficulty of establishing morphological boundaries. In this study, we aimed to use morphometric analyses to evaluate the delimitation of the taxa belonging to the C. congesta complex, identify informative morphological traits and to understand the identity of several “atypical” specimens morphologically related to the complex. To achieve this, we used cluster and principal component analysis to evaluate 50 morphological traits from a total of 210 specimens throughout the geographic distribution of the species complex. We found support for the recognition of at least six species - Chromolaena ascendens , C. gentianoides , C. hirsuta , C. latisquamulosa , C. rhinanthacea and C. squarrulosa - according to a phenetic species concept and to corroborate the restoration of three species from synonymy. Furthermore, our results provide a morphological recircumscription of C. congesta and C. elliptica and indicate two taxonomic novelties, including a new combination and a new species. Despite the answers provided by morphology, many taxonomic issues remain to be solved, and further studies with other types of evidence should be carried to contribute towards a more stable
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引用次数: 0
Pollen morphology of the early branching papilionoid legume genera Harleyodendron, Holocalyx and Uribea 早期分枝的凤尾花属豆科植物——杂交菜属、全新花属和乌兰属的花粉形态
IF 1.1 4区 生物学 Q4 PLANT SCIENCES Pub Date : 2022-11-28 DOI: 10.1590/1677-941x-abb-2022-0208
Débora Cavalcante de Oliveira, Luis Carlos Casas Restrepo, Márcio Ferreira dos Santos, L. P. Queiroz, F. Santos
In this study, pollen grains of Harleyodendron unifoliolatum , Holocalyx balansae , and Uribea tamarindoides , three monospecific genera with Neotropical distribution belonging to the clade Exostyleae, one of the basal lineages of the family Leguminosae, subfamily Papilionoideae, were analyzed. The palynological material was acetolyzed and analyzed under light microscopy (LM) and scanning electron microscopy (SEM). Under LM, small and medium-sized pollen grains were observed, which showed a prolate-spheroidal to prolate shape, 3-colporate, microreticulate and reticulate exine, sexine and nexine of equal thickness in Harleyodendron and Holocalyx , while the sexine was thicker than nexine in Uribea . Analysis under SEM showed finely granulate, psilate, and granulate apertural membrane, while the exine ornamentation varied from perforate-microechinate in Harleyodendron , to perforate in Holocalyx , while in Uribea showed an irregular relief and granular projections on the perforate tectum. The pollen morphology of these species is similar to each other, varying in sexine/nexine ratio, apertural membrane, and exine ornamentation. Harleyodendron has a finely granulate apertural membrane, sexine and nexine of equal thickness, and a perforate-microreticulate exine ornamentation, Holocalyx shows a psilated apertural membrane, sexine and nexine of equal thickness, and exine ornamentation perforate, and Uribea has a granulate apertural membrane, sexine thicker than nexine, and exine ornamentation with granular projections.
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引用次数: 0
期刊
Acta Botanica Brasilica
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