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14篇 您的检索式:作者名="Li Hanxia"
    题名 作者 年代 出处 被引量
1Genome-wide Analysis of Plant-specific Dof Transcription Factor Family in Tomato显示文摘The Dof (DNA binding with One Finger) family encoding single zinc finger proteins has been known as a family of plant-specific transcription factors. These transcription factors are involved in a variety of functions of importance for different biological processes in plants. In the current study, we identified 34 Dof family genes in tomato (Solanum lycopersicum L.), distributed on 11 chromosomes. A complete overview of SlDof genes in tomato is presented, including the gene structures, chromosome locations, phylogeny, protein motifs and evolution pattern. Phylogenetic analysis of 34 SlDof proteins resulted in four classes constituting six clusters. In addition, a comparative analysis between these genes in tomato, Arabidopsis (Arabidopsis thaliana L.) and rice (Oryza sativa L.) was also performed. The tomato Dof family expansion has been dated to recent duplication events, and segmental duplication is predominant for the SlDof genes. Furthermore, the SlDof genes displayed differential expression either in their transcript abundance or in their expression patterns under normal growth conditions. This is the first step towards genome-wide analyses of the Dof genes in tomato. Our study provides a very useful reference for cloning and functional analysis of the members of this gene family in tomato and other species.Xiaofeng Cai Yuyang Zhang Chanjuan Zhang Tingyan Zhang Tixu Hu Jie Ye Junhong Zhang Taotao Wang Hanxia Li Zhibiao Ye 2013Journal of Integrative Plant Biology2013,55,6:26
2Silencing GRAS2 reduces fruit weight in tomato显示文摘GRAS family transcription factors are involved in multiple biological processes in plants.Here, we report that GRAS2 plays a vital role in regulating fruit weight in tomato(Solanum lycopersicum).We establish that the expression of GRAS2 was elevated in ovaries and maintained at a constant level in fertilized ovules.Reduction of GRAS2 expression in transgenic plants reduced fruit weight through modulating ovary growth and cell size.At the metabolic level, downregulation of GRAS2 decreased activities of the gibberellic acid biosynthesis and signal transduction pathways, leading to insufficient levels of active gibberellic acid during the initial ovary development of tomato.Moreover, genotypic diversity of GRAS2 was consistent with the molecular basis of fruit weight evolution, suggesting that GRAS2 contributes to the molecular basis of the evolution of fruit weight in tomato.Collectively, these findings enhance our understanding of GRAS2 functions, in fruit development of tomato, and demonstrate a strong association between the GRAS gene family and fruit development.Miao Li Xin Wang Changxing Li Hanxia Li Junhong Zhang Zhibiao Ye 2018Journal of Integrative Plant Biology2018,60,6:2
3A regulatory gene induces trichome {ormation and em- bryo lethality in tomato 显示文摘Changxian Yang Hanxia Li Junhong Zhang 2011PNAS2011,108,11:1
4Chemical-induced autoexcision of selectable markers in elite tomato plants transformed with a gene conferring resistance to lepidopteran insects显示文摘Yuyang Zhang Hanxia Li Bo Ouyang Yongen Lu Zhibiao Ye 2006Biotechnology Letters2006,,16:1
5Identification and distribution of S haplotypes in Brassica vegetables from China显示文摘Taotao Wang Hanxia Li Yongen Lu Junhong Zhang Zhibiao Ye 2007Scientia Horticulturae2007,,3:1
6A STAY‐GREEN protein S l SGR 1 regulates lycopene and β‐carotene accumulation by interacting directly with S l PSY 1 during ripening processes in tomato显示文摘Zhidan Luo Junhong Zhang Jinhua Li Changxian Yang Taotao Wang Bo Ouyang Hanxia Li James Giovannoni Zhibiao Ye 2013New Phytol2013,,2:1
7A GH3-like gene, CcGH3, isolated from Capsicum chinense L. fruit is regulated by auxin and ethylene*显示文摘Kede Liu Byoung-Cheorl Kang Hui Jiang Shanna L. Moore Hanxia Li Christopher B. Watkins Tim L. Setter Molly M. Jahn 2005Plant Molecular Biology2005,,4:1
8Djrho2 is involved in regeneration of visual nerves in Dugesia japonica显示文摘The freshwater planarian is a powerful animal model for studying regeneration and stem cell activity in vivo.During regeneration,stem cells(neoblasts in planarian) migrated to the wounding edge to re-build missing parts of the body.However,proteins involved in regulating cell migration during planarian regeneration have not been studied extensively.Here we report two small GTPase genes(Djrho2 and Djrho3) of Dugesia japonica(strain Pek-1).In situ hybridization results indicated that Djrho2 was expressed throughout the body with the exception of the pharynx region while Djrho3 was specifically expressed along the gastro-vascular system.Djrho2 was largely expressed in neoblasts since its expression was sensitive to X-ray irradiation.In Djrho2-RNAi planarians,smaller anterior blastemas were observed in tail fragments during regeneration.Consistently,defective regeneration of visual nerve was detected by immunostainning with VC-1 antibody.These results suggested that Djrho2 is required for proper anterior regeneration in planairan.In contrast,no abnormality was observed after RNAi of Djrho3.We compared protein compositions of control and Djrho2-RNAi planarians using an optimized proteomic approach.Twenty-two up-regulated and 26 de-regulated protein spots were observed in the two-dimensional electrophoresis gels,and 17 proteins were successfully identified by Mass Spectrometry(MS) analysis.Among them,6 actin-binding or cytoskeleton-related proteins were found de-expressed in Djrho2-RNAi animals,suggesting that abnormal cytoskeleton assembling and cell migration were likely reasons of defected regeneration.Changxin Ma Yang Gao Guoliang Chai Hanxia Su Niejun Wang Yigang Yang Chunbo Li Di Miao Wei Wu 2010Journal of Genetics and Genomics2010,37,11:1
9Polybrominated diphenyl ethers and organochlorine pesticides in sewage sludge of wastewater treatment plants in China显示文摘Yawei Wang Qinghua Zhang Jianxia Lv An Li Hanxia Liu Guogang Li Guibin Jiang 2007Chemosphere2007,,9:1
10Transcrip tional profiles of drought responsive genes inmodulating transcription signal transduction, and biochemical pathways in tomato 显示文摘Pengj uan Gong J unhong Zhang Hanxia Li 2010Journal of Experimental Botany2010,61,:1
11Identification of early salt stress response genes in tomato root by suppression subtractive hybridization and microarray analysis显示文摘Bo Ouyang Yang Ting Li Hanxia 2007J Exp Bot2007,58,3:1
12SlBBX20 interacts with the COP9 signalosome subunit SlCSN5-2 to regulate anthocyanin biosynthesis by activating SlDFR expression in tomato显示文摘Anthocyanins play vital roles in plant stress tolerance and growth regulation.Previously,we reported that the photomorphogenesis-related transcription factor SlBBX20 regulates anthocyanin accumulation in tomato.However,the underlying mechanism remains unclear.Here,we showed that SlBBX20 promotes anthocyanin biosynthesis by binding the promoter of the anthocyanin biosynthesis gene SlDFR,suggesting that SlBBX20 directly activates anthocyanin biosynthesis genes.Furthermore,we found by yeast two-hybrid screening that SlBBX20 interacts with the COP9 signalosome subunit SlCSN5-2,and the interaction was confirmed by bimolecular fluorescence complementation and coimmunoprecipitation assays.SlCSN5 gene silencing led to anthocyanin hyperaccumulation in the transgenic tomato calli and shoots,and SlCSN5-2 overexpression decreased anthocyanin accumulation,suggesting thSlCSN5-2 enhanced the ubiquitination of SlBBX20 and promoted the degradation of SlBBX20 in vivo.Consistently,silencing the SlCSN5-2 homolog in tobacco significantly increased the accumulation of the SlBBX20 protein.Since SlBBX20 is a vital regulator of photomorphogenesis,the SlBBX20-SlCSN5-2 module may represent a novel regulatory pathway in light-induced anthocyanin biosynthesis.Dan Luo Cheng Xiong Aihua Lin Chunli Zhang Wenhui Sun Junhong Zhang Changxian Yang Yongen Lu Hanxia Li Zhibiao Ye Ping He Taotao Wang 2021Horticulture Research2021,8,1:0
13FUNCTIONAL GAIN OF FRUIT NETTED-CRACKING IN AN INTROGRESSION LINE OF TOMATO WITH HIGHER EXPRESSION OF THE FNC GENE显示文摘Fruit cracking is a major disorder that affects the integrity of fruit and reduces the commercial value of tomato and other fleshy fruit.Here,we have found a novel fruit'netted-cracking'(FNC)phenotype in tomato introgression line IL4-4 which is present in neither the donor parent(LA0716)nor the receptor parent(M82).An F2 population was generated by crossing IL4-4 with M82 to genetically characterize the FNC gene and this showed that a single dominant gene determined fruit netted-cracking.Further map-based cloning narrowed down the FNC locus to a 230 kb region on chromosome 4.Sequencing and annotation analysis show that FNC(Solyc04 g082540)was the most likely candidate gene.Functional characterization of FNC by overexpressing FNC^c and FNC1^resulted in the fruit netted-cracking phenotype,suggesting that the FNC transcript level results in the functional gain of fruit netted-cracking.These findings were further confirmed by FNC ortholog in netted-cracking pepper and melon,indicating a common regulatory mechanism in different plant species.Furthermore,cytoplasm and nucleus-localized FNC indicates increased expression of genes involved in suberin,lignin,lipid transport and cell wall metabolism.These findings provide novel genetic insights into fruit netted-cracking and offer a way to promote molecular improvement toward cracking resistant cultivars.Chunli ZHANG Taotao WANG Jing LI Danqiu ZHANG Qingmin XIE Shoaib MUNIR Jie YE Hanxia LI Yongen LU Changxian YANG Bo OUYANG Yuyang ZHANG Junhong ZHANG Zhibiao YE 2021Frontiers of Agricultural Science and Engineering2021,8,2:0
14The invasive potential of a hybrid species: insights from soil chemical properties and soil microbial communities显示文摘作为适应性进化,入侵物种与本土物种的自然杂交威胁着全球生物多样性。然而,杂交种的潜在入侵机制尚未得到系统研究,尤其是在土壤化学性质和土壤微生物群落方面。在一个为期两年的田间试验中,对入侵种南美蟛蜞菊(Sphagneticola trilobata)和杂交蟛蜞菊(南美蟛蜞菊与本地蟛蜞菊S.calendulacea杂交)的土壤微生物群落、土壤解钾菌和解磷菌菌落数、土壤酶活性以及叶片光饱和速率进行了测定。结果表明:杂交蟛蜞菊土壤可溶性有机碳和解磷菌菌落数显著高于南美蟛蜞菊和本地蟛蜞菊。土壤酸性磷酸酶、总PLFA、细菌PLFA、真菌PLFA、纤维素酶、脲酶在三种处理间无显著差异。杂交蟛蜞菊光饱和光合速率、光合氮、磷和钾利用效率显著高于入侵种南美蟛蜞菊,但与本地蟛蜞菊无显著差异。杂交蟛蜞菊总生物量和根生物量显著高于本地蟛蜞菊。因此,与本地蟛蜞菊相比,杂交蟛蜞菊仍然有较高的入侵性,其未来可能加剧本地蟛蜞菊的灭绝。Feng Sun Yuyi Ou Qiaojing Ou Lingda Zeng Hanxia Yu Jin Zheng Lei Gao Weihua Li Na Li Changlian Peng 2020Journal of Plant Ecology2020,13,1:0
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