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    题名 作者 年代 出处 被引量
1植物滞绿机理研究进展显示文摘滞绿分为功能性滞绿和非功能性滞绿。功能性滞绿与抗旱性、耐高温性紧密相关,是作物重要的抗旱机制,对于增加作物产量具有重要意义。非功能性滞绿与叶绿素降解早期过程受阻相关,非功能性突变体是研究叶绿素降解途径的理想材料。文中探讨了植物生理生化、叶绿素降解代谢、SGR基因、植物激素、转录因子等与植物滞绿的关系,并展望了植物滞绿特性在作物改良和农产品贮藏等方面的应用前景。孙佩光 吴琼 徐碧玉 苗红霞 金志强 2015基因组学与应用生物学2015,34,2:7
2拟南芥斑叶突变体及其斑叶形成机制研究进展显示文摘拟南芥斑叶突变体是研究叶绿体发育机理的理想材料,因斑叶严重程度受到遗传与环境因子以及它们之间互作的影响。在同一遗传背景下,为什么叶片会分化出绿色和白色或者黄色的斑块一直是人们关心的重要科学问题。研究表明大部分通过遗传筛选获得的斑叶抑制子直接参与叶绿体基因表达的各个生化过程,对斑叶及其抑制子的研究加深了我们对叶绿体发育的分子机制的认识。吴文娟 黄继荣 2016植物生理学报2016,52,11:3
3Arabidopsis PEAPODs function with LIKE HETEROCHROMATIN PROTEIN1 to regulate lateral organ growth显示文摘In higher plants,lateral organs are usually of determinate growth.It remains largely elusive how the determinate growth is achieved and maintained.Previous reports have shown that Arabidopsis PEAPOD(PPD)proteins suppress proliferation of dispersed meristematic cells partly through a TOPLESS corepressor complex.Here,we identified a new PPD-interacting partner,LIKE HETEROCHROMATIN PROTEIN1(LHP1),using the yeast two-hybrid system,and their interaction is mediated by the chromo shadow domain and the Jas domain in LHP1 and PPD2,respectively.Our genetic data demonstrate that the phenotype of ppd2 lhp1 is more similar to lhp1 than to ppd2,indicating epistasis of lhp1 to ppd2.Microarray analysis reveals that PPD2 and LHP1 can regulate expression of a common set of genes directly or indirectly.Consistently,chromatin immunoprecipitation results confirm that PPD2 and LHP1 are coenriched at the promoter region of their targets such as D3-TYPE CYCLINS and HIGH MOBILITY GROUP A,which are upregulated in ppd2,lhp1 and ppd2 lhp1 mutants,and that PPDs mediate repressive histone 3 lysine-27 trimethylation at these loci.Taken together,our data provide evidence that PPD and LHP1 form a corepressor complex that regulates lateral organ growth.Ying Zhu Xiao Luo Xuxin Liu Wenjuan Wu Xiaofeng Cui Yuehui He Jirong Huang 2020Journal of Integrative Plant Biology2020,62,6:0
4Lift the mystery veil on chlorophyllases显示文摘PhotosystemⅡ(PSⅡ)is a large membrane-protein complex that catalyzes the splitting of water into protons,electrons,and oxygen via harvesting light energy(Johnson,2016).The reaction center of PSⅡ,operating like an electron pump,is a special pair of chlorophyll a(Chi a),referred to as P680,bound to D1 and D2 subunits,each with its set of electron carriers.Upon absorption of light energy,P680 is excited and donates an electron to the neighboring pheophytin(Pheo),producing a pair of radicals(·P680+and·Pheo-),called charge separation.Weihua Huang Jirong Huang 2021Molecular Plant2021,14,7:0
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