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植物多样性（英文）
植物多样性（英文）

李德铢

双月刊

2096-2703

bianji@mail.kib.ac.cn

0871-65223032

650204

昆明市盘龙区蓝黑路132号中科院昆明植物研究所内

植物多样性（英文）/Journal Plant DiversityCSCD北大核心CSTPCDSCI
查看更多>>本刊是国家科委(79)国科发条字341号文批准创办的植物学专业学报，是中国科学院主管的全国性自然科学期刊。本刊1979年创刊，现已成为我国植物科学研究发表论文的主要学术性刊物之一。本刊属于中国生物学类科技核心期刊；中国自然科学核心期刊。主要刊登植物学各学科具有创新性或较高学术水平的原始论文和简报；植物学领域的新发现及重大应用价值的新成果快报；结合本人工作，反映本学科重要领域的国内外最新研究进展的综述等。本刊设有植物系统学与生物地理学、植物化学与化学生物学、生物多样性保护与民族植物学、植物生态学与资源管理、植物生理与分子生物学5个专栏。本刊已被国内外多家二次文献收录，现我刊已同30个国家和地区有发行和交换关系。
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    Transcription factor ABF3 modulates salinity stress-enhanced jasmonate signaling in Arabidopsis

    Qi ZhangJiancan DuXiao HanYanru Hu...
    791-803页
    查看更多>>摘要：Salinity is a severe abiotic stress that affects plant growth and yield.Salinity stress activates jasmonate(JA)signaling in Arabidopsis thaliana,but the underlying molecular mechanism remains to be elucidated.In this study,we confirmed the activation of JA signaling under saline conditions and demonstrated the importance of the CORONATINE INSENS1TIVE1(COI1)-mediated JA signaling for this process.Phenotypic analyses reflected the negative regulation of JASMONATE ZIM-DOMAIN(JAZ)repressors during salinity stress-enhanced JA signaling.Mechanistic analyses revealed that JAZ proteins physically interact with ABSCISIC ACID-RESPONSIVE ELEMENT BINDING FACTOR1(ABF1),AREB1/ABF2,ABF3,and AREB2/ABF4,which belong to the basic leucine zipper(bZIP)transcription factor family and respond to salinity stress.Analyses on the ABF3 overexpression plants and ABF mutants indicated the positive role of ABF3 in regulating JA signaling under saline condition.Furthermore,ABF3 overexpression partially recovered the JA-related phenotypes of JAZ1-43A plants.Moreover,ABF3 was observed to indirectly activate ALLENE OXIDE SYNTHASE(AOS)transcription,but this activation was inhibited by JAZ1.In addition,ABF3 competitively bind to JAZ1,thereby decreasing the interaction between JAZ1 and MYC2,which is the master transcription factor controlling JA signaling.Collectively,our findings have clarified the regulatory effects of ABF3 on JA signaling and provide new insights into how JA signaling is enhanced following an exposure to salinity stress.
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    Leaf nitrogen and phosphorus are more sensitive to environmental factors in dicots than in monocots,globally

    Miao LiuTiancai ZhouQuansheng Fu
    804-811页
    查看更多>>摘要：Leaf nitrogen(N)and phosphorus(P)levels provide critical strategies for plant adaptions to changing environments.However,it is unclear whether leaf N and P levels of different plant functional groups(e.g.,monocots and dicots)respond to environmental gradients in a generalizable pattern.Here,we used a global database of leaf N and P to determine whether monocots and dicots might have evolved con-trasting strategies to balance N and P in response to changes in climate and soil nutrient availability.Specifically,we characterized global patterns of leaf N,P and N/P ratio in monocots and dicots,and explored the sensitivity of stoichiometry to environment factors in these plants.Our results indicate that leaf N and P levels responded to environmental factors differently in monocots than in dicots.In dicots,variations of leaf N,P and N/P ratio were significantly correlated to temperature and precipitation.In monocots,leaf N/P ratio was not significantly affected by temperature or precipitation.This indicates that leaf N,P and N/P ratio are less sensitive to environmental dynamics in monocots.We also found that in both monocots and dicots N/P ratios are associated with the availability of soil total P rather than soil total N,indicating that P limitation on plant growth is pervasive globally.In addition,there were sig-nificant phylogenetic signals for leaf N(λ=0.65),P(λ=0.57)and N/P ratio(λ=0.46)in dicots,however,only significant phylogenetic signals for leaf P in monocots.Taken together,our findings indicate that monocots exhibit a"conservative"strategy(high stoichiometric homeostasis and weak phylogenetic signals in stoichiometry)to maintain their growth in stressful conditions with lower water and soil nutrients.In contrast,dicots exhibit lower stoichiometric homeostasis in changing environments because of their wide climate-soil niches and significant phylogenetic signals in stoichiometry.
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    Diversity of Symplocos(Symplocaceae,Ericales)at low latitudes in Asia during late Oligocene and Miocene

    Sheng-Lan XuTatiana KodrulMikhail S.RomanovAlexey V.F.Ch.Bobrov...
    812-816页
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