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Protective effect of Boldine against neuroinflammation in spinal cord injury in rats 波定对大鼠脊髓损伤后神经炎症的保护作用
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-27 DOI: 10.1163/22238980-bja10041
Jigao Feng, Junchi Liu, Xu Liu, Zhaoyou Qiu, Caicai Zhang
The successful clinical management of spinal cord injury (SCI) is still a unmet medical need. Despite advances in novel therapeutics, the multifactorial etiology of SCI still poses significant challenge to the mankind. Thus, in the present study, we intend to scrutinize the protective effect of Boldine (BOL), an alkaloid obtained from the boldo tree against experimental spinal cord injury. The effect of BOL was investigated on locomotor function of rats with various biomarkers of oxidative stress (MDA, SOD and GSH), inflammation (TNF-α, IL-1β and IL-6), and apoptosis. Results suggest that BOL showed improvement in locomotor function (on BBB scale) of rats with does-dependent reduction in oxidative stress and inflammation. It also reduces neuronal apoptosis in flow cytometry experiment. The study successfully demonstrated the possible clinical utility of BOL against SCI.
脊髓损伤(SCI)的成功临床治疗仍然是一个未满足的医疗需求。尽管新的治疗方法取得了进展,但SCI的多因素病因仍然对人类提出了重大挑战。因此,在本研究中,我们打算仔细研究Boldine(BOL)对实验性脊髓损伤的保护作用,Boldine是一种从boldo树中提取的生物碱。用氧化应激(MDA、SOD和GSH)、炎症(TNF-α、IL-1β和IL-6)和细胞凋亡等生物标志物研究了BOL对大鼠运动功能的影响。结果表明,BOL改善了大鼠的运动功能(在血脑屏障范围内),并减少了氧化应激和炎症。在流式细胞术实验中,它还能减少神经元凋亡。该研究成功地证明了BOL对抗SCI的可能临床效用。
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引用次数: 1
Taxonomic notes on some species in the genus Clausena (Rutaceae) in China based on molecular and morphological data 基于分子和形态学资料的中国芸香属某些物种的分类注释
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-23 DOI: 10.1163/22238980-bja10038
Fengjuan Mou, Shuangzhi Li, Yun Peng, Yi-Guo Li
Clausena (Rutaceae) is only one genus native both to the Monsoon region and to tropical and subtropical Africa in the subfamily Aurantioideae. The most distinctive morphological character in this genus is the gynophore supporting the ovary and the morphology of pistil can help to define the natural groups of species. Based on the morphological data of flowers and molecular phylogeny of ITS, trnL-F and atpB-rbcL, the taxonomic problems of some species in China are resolved here. The species C. lenis has a separate status in the genus Clausena, then C. lansium stands apart from other species except C. lenis; the species status of five species, C. odorata, C. vestita, C. dunniana, C. emarginata, and C. anisum-olens are restated.
Clausena(芸香科)是Auntioideae亚科中唯一一个原产于季风地区和热带和亚热带非洲的属。该属最独特的形态特征是支撑卵巢的雌核柄,雌蕊的形态有助于确定物种的自然类群。根据花的形态学数据和ITS、trnL-F和atpB-rbcL的分子系统发育,解决了中国某些物种的分类学问题。莲蓬属植物在克劳森属中有单独的地位,兰蓬属植物则与除莲蓬属以外的其他物种不同;对五个种(C.odorata、C.vestita、C.dunniana、C.emarginata和C.anisumolens)的物种状况进行了重述。
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引用次数: 2
Comparative analysis of Phytochemical Constituents and Antioxidant activity of two Pomegranate (Punica granatum L.) cultivars 两种石榴品种植物化学成分及抗氧化活性的比较分析
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-23 DOI: 10.1163/22238980-bja10042
Firdose R. Kolar, Saadiqa M. Lingasur, Tejashvi M. Kumathalli, Shweta A. Gurikar
Pomegranate (Punica granatum L.) is a widely used fruit, which contains several interesting bioactive compounds and possess health-promoting properties. Seeing the importance of this fruit, it is crucial to study its quality characteristics. Hence, in the current study, we assessed phenolic content, flavonoid content and antioxidant activity of different plant parts (leaves, rind and arils) of two pomegranate cultivars (Kesar and Ganesh). The analysis of phytochemical constituents in the cultivars revealed that, the content of phenolics ranged from 49.3 to 602 mg TAE/g plant material and the content of flavonoids ranged from 0.27 to 18.8 mg RE/g plant material. The maximum amount of phenolics and flavonoids was observed in the rind extracts as compared to the leaves and arils in both the cultivars. On the other hand, the antioxidant activity determined by different antioxidant models exhibited various degrees of antioxidant activity in different plant parts of the cultivars and was found to be highest in rind and aril extracts than that of leaves. Among the solvents methanol and ethanol gave highest extraction yields as compared to water and acetone. Total phenolics and flavonoids were significantly different with methanol and ethanol being the most efficient solvent and acetone being the least efficient one. Correlation between the antioxidant activity and phenolics and flavonoid content was found to be significant. Thus the results strongly indicated that there were significant differences between pomegranate cultivars. Generally the cultivar Ganesh has higher antioxidant activity as well as total phenolics and flavonoid content in comparison to Kesar.
石榴(Punica granatum L.)是一种应用广泛的水果,含有多种有趣的生物活性化合物,具有促进健康的特性。鉴于这种水果的重要性,研究其品质特征至关重要。因此,在本研究中,我们评估了两个石榴品种(Kesar和Ganesh)不同植物部位(叶片、果皮和假种皮)的酚类含量、类黄酮含量和抗氧化活性。对不同品种的植物化学成分进行了分析,结果表明,各品种的酚类物质含量在49.3-602之间 mg TAE/g植物材料,黄酮类化合物含量在0.27至18.8之间 mg RE/g植物材料。与两个品种的叶片和假种皮相比,果皮提取物中的酚类和黄酮类化合物含量最高。另一方面,通过不同的抗氧化模型测定的抗氧化活性在品种的不同植物部位表现出不同程度的抗氧化活性,并且发现果皮和假种皮提取物的抗氧化活性最高。在溶剂中,与水和丙酮相比,甲醇和乙醇的提取产率最高。总酚类和黄酮类化合物差异显著,甲醇和乙醇是最有效的溶剂,丙酮是最低效的溶剂。抗氧化活性和酚类和黄酮类含量之间存在显著相关性。结果表明,石榴品种间存在显著差异。一般来说,与Kesar相比,品种Ganesh具有更高的抗氧化活性以及总酚和类黄酮含量。
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引用次数: 1
Allan Witztum (1939–2021): A Great Teacher Allan Witztum(1939–2021):一位伟大的老师
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-20 DOI: 10.1163/22238980-20210099
A. Rottenberg
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引用次数: 0
New insights of low-temperature plasma effects on seeds germination of Platycodon grandiflorum 低温等离子体对桔梗种子萌发影响的新认识
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-16 DOI: 10.1163/22238980-bja10040
Panpan Wang, Fu-Dong Chen, Yulan Huang, Hu-Nan Sun, M. Fan, Dange Ning, Tao Wang, Haojin Wang, Ming Liu
Low temperature plasma (LTP) exerted beneficial effects on seed germination and crop growth. With application of LTP on seed germination of Platycodon grandiflorum, germination indexes and physiological parameters and transcriptome profile were investigated in this experiment. The results showed the seed germination rate and germinating potential of Platycodon grandiflorum in LTP increased by 24.7% and 30.7% comparing to CK respectively (p < 0.05). The SOD and CAT activity of the seed sprouts increased by 26.78% and 12.41% comparing to CK. Transcriptome results showed that 14342 up-regulated and 4366 down-regulated different expressing genes (DEGs) at LTP and CK. A considerable number of DEGs related to the plant hormone signal transduction, peroxisome, oxidative phosphorylation, starch and surose in response to low temperature plasma were identified in this study. The transcriptomic gene expression profiles present a valuable genomic tool to the molecular mechanisms of Platycodon grandiflorum seed germination underlying low temperature plasma. which can provide theoretical basis and practical guidance for cultivation and planting of Platycodon grandiflorum.
低温等离子体(LTP)对种子萌发和作物生长有良好的影响。应用LTP对桔梗种子萌发进行了研究,研究了其萌发指标、生理参数和转录组特征。结果表明:与对照相比,LTP处理下桔梗种子发芽率和萌发势分别提高了24.7%和30.7% (p < 0.05);种子芽的SOD和CAT活性分别比对照提高了26.78%和12.41%。转录组结果显示,在LTP和CK, 14342个不同表达基因(DEGs)上调,4366个下调。本研究发现了相当数量的与植物激素信号转导、过氧化物酶体、氧化磷酸化、淀粉和蔗糖对低温血浆的响应有关的deg。转录组基因表达谱为研究桔梗种子低温等离子体萌发的分子机制提供了有价值的基因组工具。为桔梗的栽培种植提供理论依据和实践指导。
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引用次数: 2
Expression analysis of MYB genes in different apple cultivars with distinct coloration pattern during fruit maturation MYB基因在不同花色苹果品种果实成熟过程中的表达分析
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-13 DOI: 10.1163/22238980-bja10043
E. Mercan, M. Şahin-Çevik
Anthocyanins are water-soluble pigments responsible for red, pink, purple or blue coloration in the flesh and/or skin of apple fruit. Since consumers prefer anthocyanin rich fruits due to their health benefits, anthocyanin content is an important trait for marketability of apples. Synthesis and accumulation of anthocyanins are controlled by environmental and genetic factors such as transcription factors (TFs). Two-repeat (R2R3) MYB TFs are involved in the regulation of anthocyanin biosynthesis in plants. In this study, the expression of the MdMYBA and MdMYB3 genes encoding R2R3 type MYB TFs were analyzed in apple cultivars with fruit skin color from green to dark red at different growth stages. Fruit samples were collected from “Scarlet Spur”, “Galaxy Gala”, Golden Delicious” “Granny Smith” apple cultivars with dark red, light red, yellow and green fruits, respectively, at four different time periods after full-bloom. Total RNA was isolated from the peel of the collected fruits and the expression of the MdMYBA and MdMYB3 genes was analyzed by real-time RT-PCR. The expression of the MdMYBA gene started to increase at 92 DAFB and thereafter in red-skin apples; however, no expression was observed at any time points in yellow or green-skin apple cultivars. On the other hand, the MdMYB3 gene was expressed in red-skin and yellow-skin apple cultivars starting at 55 DAFB, but no expression was observed in green apple cultivar at any time of fruit maturation. The expression levels of the MdMYBA and MdMYB3 genes varied in apple fruits with different skin coloration indicating that they play a role regulation of the anthocyanin biosynthesis in apple cultivars during fruit maturation.
花青素是一种水溶性色素,在苹果果肉和/或果皮中产生红色、粉红色、紫色或蓝色。由于消费者更喜欢富含花青素的水果,因为它们对健康有益,花青素含量是苹果适销性的一个重要特征。花青素的合成和积累受到环境和遗传因素如转录因子(TF)的控制。两个重复序列(R2R3)MYB-TF参与植物花青素生物合成的调控。在本研究中,分析了编码R2R3型MYB转录因子的MdMYBA和MdMYB3基因在不同生长阶段果皮颜色从绿色到暗红色的苹果品种中的表达。在盛花后的四个不同时间段,分别从深红色、浅红色、黄色和绿色果实的“Scarlet Spur”、“Galaxy Gala”、“Golden Delicious”和“Granny Smith”苹果品种中采集果实样品。从收集的果实的果皮中分离总RNA,并通过实时RT-PCR分析MdMYBA和MdMYB3基因的表达。MdMYBA基因的表达在92DAFB开始增加,此后在红皮苹果中增加;然而,在黄皮或绿皮苹果品种的任何时间点都没有观察到表达。另一方面,MdMYB3基因从55DAFB开始在红皮和黄皮苹果品种中表达,但在果实成熟的任何时候在青苹果品种中都没有观察到表达。MdMYBA和MdMYB3基因在不同果皮颜色的苹果果实中的表达水平不同,表明它们在果实成熟过程中对苹果品种的花青素生物合成起着调节作用。
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引用次数: 1
The role of brush encroachment in Mediterranean ecosystems: a review 灌木入侵在地中海生态系统中的作用:综述
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-08-09 DOI: 10.1163/22238980-bja10039
Z. Henkin
Encroachment of woody plants into grasslands and subsequent brush management are among the most prominent changes occurring in arid and semiarid ecosystems over the past century. The reduced number of farms, the abandonment of marginal land and the decline of traditional farming practices have led to encroachment of the woody and shrubby components into grasslands. This phenomenon, specifically in the Mediterranean region, which is followed by a reduction in herbage production, biodiversity and increased fire risk, is generally considered an undesirable process. Sarcopoterium spinosum has had great success in the eastern Mediterranean as a colonizer and dominant bush species on a wide variety of sites and climatic conditions. In the Mediterranean dehesa, the high magnitude and intensity of shrub encroachment effects on pastures and on tree production were shown to be dependent on temporal variation. Accordingly, there are attempts to transform shrublands into grassland-woodland matrices by using different techniques. The main management interventions that are commonly used include grazing, woodcutting, shrub control with herbicides or by mechanical means, amelioration of plant mineral deficits in the soil, and fire. However, the effects of these various treatments on the shrubs under diverse environmental conditions were found to be largely context-specific. As such, the most efficient option for suppressing encroachment of shrubs is combining different interventions. Appropriate management of grazing, periodic control of the shrub component, and occasional soil nutrient amelioration can lead to the development of attractive open woodland with a productive herbaceous understory that provides a wider range of ecological services.
过去一个世纪以来,干旱和半干旱生态系统中最显著的变化是木本植物侵入草原以及随后的灌木管理。农场数量的减少、边缘土地的废弃和传统耕作方式的减少导致了森林和灌木成分对草原的侵蚀。这种现象,特别是在地中海地区,随之而来的是牧草产量的减少、生物多样性的减少和火灾风险的增加,通常被认为是一个不可取的过程。在地中海东部作为一个殖民者和优势灌木物种在各种地点和气候条件下取得了巨大的成功。在地中海地区,灌木入侵对牧场和树木生产的影响程度和强度取决于时间的变化。因此,有人尝试通过使用不同的技术将灌木地转化为草地-林地基质。常用的主要管理干预措施包括放牧、伐木、用除草剂或机械手段控制灌木、改善土壤中的植物矿物质缺陷和火灾。然而,在不同的环境条件下,这些不同的处理对灌木的影响很大程度上是因地制要的。因此,抑制灌木入侵的最有效选择是结合不同的干预措施。适当的放牧管理,定期控制灌木成分,偶尔改善土壤养分,可以导致有吸引力的开放林地的发展,具有生产的草本下层植被,提供更广泛的生态服务。
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引用次数: 3
Molecular characterization of China aster (Callistephus chinensis (L.) Nees) genotypes using SSR markers 利用SSR标记对紫荆基因型的分子鉴定
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-07-28 DOI: 10.1163/22238980-bja10037
V. Bhargav, Rajiv Kumar, Anuradha Sane, T. Rao, T. Bharathi, K. S. Shiva Shankara, D. C. L. Reddy
Understanding genetic diversity in target populations is of great importance in breeding and a prerequisite for association mapping of traits. In this study, 57 cross species simple sequence repeat (SSR) markers were screened for amplification in China aster. Twenty six polymorphic markers were used to estimate the genetic diversity in forty two China aster genotypes. The observed and expected heterozygosities within the genotypes were ranged from 0.00 to 0.80 and 0.17 to 0.50, respectively. Weighted Neighbor Joining method, grouped China aster genotypes into five major clusters which coincided for morphological traits mostly flower color and form, but not correlated for their geographical locations. The results suggested that, population may be useful for the genome-wide marker–trait association mapping. These set of cross species transferable SSR markers would enable the application of the SSR technique in China aster crop improvement.
了解目标群体的遗传多样性在育种中具有重要意义,也是性状关联图谱的前提。本研究筛选了57个中国紫苑的跨物种简单序列重复(SSR)标记进行扩增。利用26个多态性标记对42个中国紫苑基因型的遗传多样性进行了估计。基因型内观察到的和预期的杂合度分别为0.00至0.80和0.17至0.50。加权邻域连接法将中国紫荆的基因型分为五个主要聚类,这些聚类在形态特征上一致,主要是花的颜色和形状,但在地理位置上不相关。结果表明,群体可能有助于全基因组标记-性状关联图谱的绘制。这些可跨种转移的SSR标记将有助于SSR技术在我国紫荆作物改良中的应用。
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引用次数: 1
The natural anti-inflammatory sesquiterpene lactone achillolide A reduces atopic dermatitis in a murine model 天然抗炎倍半萜内酯阿奇内酯A在小鼠模型中减少特应性皮炎
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-06-22 DOI: 10.1163/22238980-bja10035
A. Telerman, Y. Kashman, R. Ofir, Anat Elmann
Plant-derived substances have been shown to affect potential targets in inflammatory diseases. We have previously purified from the desert plant Achillea fragrantissima, a sesquiterpene lactone named achillolide A, and demonstrated its anti-inflammatory activities in cultured brain macrophages named microglial cells. In the present study, we further investigated achillolide A in alleviating atopic dermatitis, a chronic and recurring inflammatory skin disease. We investigated achillolide A for its in vivo anti-inflammatory activity using the oxazolone model of atopic dermatitis in mice, in which oxazolone induces ear swelling. Our results show that mice treated with achillolide A showed a significant decrease in the oxazolone-induced ear swelling. Since macrophages are inflammatory cells that play a pivotal role in the pathogenesis of atopic dermatitis, the anti-inflammatory effects of achillolide A were also studied in spleen cells. We demonstrated that achillolide A reduced the levels of LPS-induced inflammatory cytokines IL-2, IL-6, TNFα, IFNγ and IL-12 that were secreted from cultured splenocytes. These data suggest that achillolide A should be considered for further research in treating atopic dermatitis.
植物源性物质已被证明可以影响炎症性疾病的潜在靶点。我们之前已经从沙漠植物阿奇勒(Achillea fragrantissima)中纯化了一种倍半萜内酯,命名为阿奇勒内酯a,并在培养的脑巨噬细胞(小胶质细胞)中证明了其抗炎活性。在本研究中,我们进一步研究了阿喀琉斯内酯A在缓解特应性皮炎(一种慢性和复发性炎症性皮肤病)中的作用。我们利用恶唑酮致小鼠特应性皮炎模型研究阿基里斯内酯A的体内抗炎活性,在该模型中,恶唑酮引起耳肿胀。我们的研究结果表明,阿喀琉斯内酯A治疗小鼠的恶唑酮引起的耳部肿胀明显减少。由于巨噬细胞是在特应性皮炎发病过程中起关键作用的炎症细胞,因此我们也研究了阿基琉球内酯a在脾细胞中的抗炎作用。我们证明阿基里斯内酯A降低了lps诱导的炎性细胞因子IL-2、IL-6、TNFα、IFNγ和IL-12的水平,这些细胞由培养的脾细胞分泌。这些数据提示阿喀琉球内酯A在治疗特应性皮炎方面值得进一步研究。
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引用次数: 0
Gas chromatographic methods coupled to mass spectrometry detection of leaf extracts of Symplocos racemosa Roxb. 气相色谱-质谱联用技术检测洋地黄叶提取物。
IF 1 4区 生物学 Q3 Agricultural and Biological Sciences Pub Date : 2021-06-22 DOI: 10.1163/22238980-bja10034
D. Kar, Hiramanjari Barik, A. Kuanar, Sangeeta Mukhi, P. Pattnaik, Ruchi Bhuyan, M. Panda
Symplocos racemosa Roxb., belonging to the family Symplocaceae, is an important medicinal plant. Chemometric profile of chloroform, methanol and ethanol leaf extracts of S. racemosa were performed by hyphenated gas chromatography mass spectrometry (GC/MS) technique. Chemometric profile of leaf extracts revealed the presence of 57 phyto-chemotypes, among them, Erucylamide (15.94%), Vitamin E (8.26%), 10-Heneicosene (8.97%), n-Hexadecanoic acid (5.21%), 1-Heneicosyl formate (5.11%), Tetracosanol (5.36%), 2,4-Hexanedione, 5,5-dimethyl- (11.94%), Linoleic acid (19.30%), Dibutyl phthalate (8.8%) and (Z)-9-Octadecenamide (19.33%) were found to be present in major amount. Eventually, in the present study we have found phenol, alcohol, ketone, alkane and ester as the major group of phytochemotypes in the different leaf extracts of S. racemosa. All these compounds identified by GC/MS analysis were further investigated for their biological activities and it was found that they possess a diverse range of positive pharmacological actions. In future, isolation of individual phyto-chemotypes and subjecting them to biological activity will definitely prove fruitful results in designing a novel drug.
总状丝瓜。是一种重要的药用植物。采用联用气相色谱-质谱(GC/MS)技术对总状参叶片的氯仿、甲醇和乙醇提取物进行了化学分析。叶提取物的化学分析结果显示,共鉴定出57种植物化学型,其中以芥酰酰胺(15.94%)、维生素E(8.26%)、10-苯二烯(8.97%)、正十六烷酸(5.21%)、甲酸1-苯二烯(5.11%)、四糖醇(5.36%)、2,4-己二酮、5,5-二甲基-(11.94%)、亚油酸(19.30%)、邻苯二甲酸二丁酯(8.8%)和(Z)-9-十八烯酰胺(19.33%)为主。最终,在本研究中,我们发现总状叶提取物中的酚类、醇类、酮类、烷烃类和酯类是主要的植物化学型。通过GC/MS对这些化合物进行了进一步的生物活性研究,发现它们具有多种积极的药理作用。未来,分离单个植物化学型并使其具有生物活性将在设计新药方面取得丰硕成果。
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引用次数: 2
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Israel Journal of Plant Sciences
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