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DNA chip-based expression profile analysis indicates involvement of the phosphatidylinositol signaling pathway in multiple plant responses to hormone and abiotic treatments

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Cell Research 2004年第1期14卷 34-45页

作者： wen Hui LIN, Rui YE, Hui MA, Zhi Hong xu, Hong Wei xuE national laboratory of plant molecular genetics, institute of plant physiology and ecology, shanghai institutes for biological sciences (SIBS), chinese academy of sciences and Partner Group of Max-Planck-institute of molecular plant physiology (MPI-MP) on "plant molecular physiology and Signal Transduction", 300 Fenglin Road, 2.0032 shanghai, China xue HW Chinese Acad Sci Shanghai Inst Biol Sci Inst Plant Physiol & Ecol Natl Lab Plant Mol Genet 300 Fenglin Rd Shanghai 200032 Peoples R China

The phosphatidylinositol (PI) metabolic pathway is considered critical in plant responses to many environmental factors, and previous studies have indicated the involvement of multiple PI-related gene families during cellular responses. Through a detailed analysis of the Arabidopsis thaliana genome, 82 polypeptides were identified as being involved in PI signaling. These could be grouped into different families including PI synthases (PIS), PI-phosphate kinases (PIPK), phospholipases (PL), inositol polyphosphate phosphatases (IPPase), inositol polyphosphate kinases (IPK), PI transfer proteins and putative inositol polyphosphate receptors. The presence of more than 10 isoforms of PIPK, PLC, PLD and IPPase suggested that these genes might be differentially expressed during plant cellular responses or growth and development. Accordingly, DNA chip technology was employed to study the expression patterns of various isoforms. In total, 79 mRNA clones were amplified and used for DNA chip generation. Expression

关键词： phosphatidylinositol signal transduction DNA chip expression profile.

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Negative Regulation of Receptor Signaling by ERS1

Negative Regulation of Receptor Signaling by ERS1

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上海市植物生理学会成立三十周年庆祝活动暨第三届上海市植物生理学青年学术研讨会

作者： qian liu, chan xu, and chikuang wen* national laboratory of plant molecular genetics, institute of plant physiology and ecology, shanghai institutes for biological sciences, chinese academy of sciences, shanghai 2.0032

Previous studies revealed that the five Arabidopsis ethylene receptor genes have partially redundant functions and negatively regulate ethylene response. Genetic redundancy limits further

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A Study of Transmitter-on ETR1 and ERS1 Signaling Implies Differential Collaborations of Arabidopsis Ethylene Receptors

A Study of Transmitter-on ETR1 and ERS1 Signaling Implies Di...

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植物分子生物学与现代农业——2010全国植物生物学研讨...

作者： qian liu and Chi-Kuang wen~* national Key laboratory of plant molecular genetics,institute of plant physiology and ecology, shanghai institutes for biological sciences,chinese academy of sciences,shanghai 2.0032,China

Ethylene responses are modulated by a family of five ethylene receptor members in *** the five receptor members may function individually or collaboratively remains *** addressed this question by examining if transmit...

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RTE1 Is a Golgi-Associated and ETR1-Dependent Negative Regulator of Ethylene Responses

RTE1 Is a Golgi-Associated and ETR1-Dependent Negative Regul...

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2007年全国植物生长物质研讨会

作者： Xin Zhou qian liu Fang Xie Chi-Kuang wen~* national Key laboratory of plant molecular genetics institute of plant physiology and ecology shanghai institutes for biological sciences chinese academy of sciences shanghai 2.0032 China

＜正＞Arabidopsis（Arabidopsis thaliana）RTE1 encodes a membrane protein and negatively regulates ethylene *** and transformation studies suggest that the function of the wild-type RTE1 is primarily dependent on ETR1 ...

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Preparation of Ethylene Gas and Comparison of Ethylene Responses Induced by Ethylene,ACC,and Ethephon

Preparation of Ethylene Gas and Comparison of Ethylene Respo...

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植物分子生物学与现代农业——2010全国植物生物学研讨会

作者： Wei Zhang,Chi-Kuang wen~* national Key laboratory of plant molecular genetics,institute of plant physiology and ecology, shanghai institutes for biological sciences,chinese academy of sciences,shanghai 2.0032,China

Ethylene is a gaseous plant hormone used in many physiological studies examining its role in plant growth and ***,ethylene gas may not be conveniently available to many laboratories for occasional use,and therefore se...

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Study of Complex Redundancy-Pleiotropy Network of Arabidopsis Ethylene Receptors

Study of Complex Redundancy-Pleiotropy Network of Arabidopsi...

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2010中国青年遗传学家论坛

作者： qian liu and Chi-Kuang wen national Key laboratory of plant molecular genetics,institute of plant physiology and ecology,shanghai institutes for biological sciences,chinese academy of sciences,300 Fenglin Rd,shanghai 2.0032,China

Ethylene responses are modulated by a family of five ethylene receptor members in *** five receptors are genetically redundant while not functionally exchangeable;how the five receptor members may act coordinately remains *** addressed this question by examining the signal output of transmitter-on ETR1 or ERS1 in the absence of other wild-type receptors or in the presence of a wild-type receptor *** to a singling active state by silver or 1-MCP, ETR1 alone was able to reverse ethylene growth inhibition to a great extent while ERS1 was ***-1, ersl-1,and erslC65Y are transmitter-on receptor ***-1 substantially repressed ethylene responses in quintuple receptor knockout mutants while ersl-1 did *** inhibition of ethylene responses by ersl-1 is mainly dependent on ETR1 or ***4 had a greater role than ETR1 in erslC65Y *** lack of both ETR1 and EIN4 abolished the ability of erslC65Y in the repression of ethylene,*** show that the wild-type receptors are not dispensable to the signal output of a transmitter-on ethylene receptor,implying collaborative receptor *** collaborations may facilitate a plant to make corresponding responses to a wide range of ethylene *** redundancy and functional divergence of the five receptor members are essential to the maintenance of collaborative receptor signaling.

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The differential reversion of ethylene response by ETRl and ERS1 implies functional significance of ethylene receptor collaboration

The differential reversion of ethylene response by ETRl and ...

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2011全国植物生物学研讨会

In Arabidopsis,the ethylene signal is mediated by a family of five receptor members while little is known about the nature of the receptor signal and how the five receptor members may act *** we show that ETR1,but not ERS 1,was able to reverse ethylene growth inhibitions to a great extent upon 1-MCP,an ethylene antagonist,treatment in the absence of other ***-1,ers 1-1,and ers 1 are ethylene-insensitive ***-1 substantially repressed various ethylene responses independent of other receptor *** inhibition of ethylene response

关键词： Ethylene etr1-1 ers1-1 ers1C65Y receptor collaborations

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A Genetic Study of the ctr1-10 Enhancer ecr2

A Genetic Study of the ctr1-10 Enhancer ecr2

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植物分子生物学与现代农业——2010全国植物生物学研讨会

作者： Ai-bei xu,Zhang Wei and Chi-Kuang wen~* national laboratory of plant molecular genetics,institute of plant physiology and ecology, shanghai institutes for biological sciences,chinese academy of sciences

In the past years,a linear ethylene signal transduction pathway through genetic studies on the model plant Arabidopsis has been *** ethylene receptors activate the downstream CTR1(Constitutive Triple Responsel ) MAPKK...

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Identification and Characterization of glnA Promoter and its Corresponding Trans-regulatory Protein GlnR in the Rifamycin SV Producing Actinomycete,Amycolatopsis mediterranei U32

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Acta Biochimica et Biophysica Sinica 2006年第12期38卷 831-843页

作者： Hao YU~(1&) wen-Tao PENG~1 Yang liu~1 Ting WU~2 Yu-Feng YAO~1 Ming-xue CUI~1 Wei-Hong JIANG~1 Guo-Ping ZHAO~(1,3,4*) 1 laboratory of molecular Microbiology,institute of plant physiology and ecology,shanghai institutes for biological sciences,chinese academy of sciences,shanghai 2.0032,China 2 Department of Medicinal Chemistry,School of Pharmacy,Fudan University,shanghai 2.0032,China 3 State Key laboratory of Genetic Engineering & Department of Microbiology,School of Life Science,Fudan University,shanghai 200433,China 4 laboratory of Disease and Health Genomics,chinese national Human Genome Center at shanghai,shanghai 201203,China laboratory of molecular Microbiology Institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 200032 China Department of Medicinal Chemistry School of Pharmacy Fudan University Shanghai 200032 China State Key laboratory of Genetic Engineering & Department of Microbiology School of Life Science Fudan University Shanghai 200433 China laboratory of Disease and Health Genomics Chinese National Human Genome Center at Shanghai Shanghai 201203 China

The genetic requirements for the transcription of glnA,encoding the major glutaminesynthetase in a rifamycin SV-producing Amycolatopsis mediterranei strain,U32,were *** experiments showed that the promoter of U32 glnA （pglnA） was likely to have two transcriptioninitiation sites:P1and P2,located 157 and 45 nucleotides （nt） upstream of the translational start codon,*** mobility shift and DNase I footprinting analyses revealed a 30 bp cis-element locatedat 45 to 75 nt downstream of P1,or 38 to 68 nt upstream of *** sequence of the cis-element displayedhigh similarity to the corresponding regions of pglnA from Streptomyces coelicolor and *** as a reporter gene,the expression levels of U32 pglnA and its deletion derivatives under differentnitrogen-source conditions were analyzed by detecting the catechol dioxygenase activities in ***54,*** J508 and *** FS10 （glnR mutant）.These in vivo studies showed that theactivation of U32 pglnA in *** required GlnR,and its binding to the U32 pglnA was furtherconfirmed by the gel mobility shift *** and heterologous expression of the U32 glnR allowed usto detect the in vitro interaction between the U32 GlnR and the corresponding pglnA *** shown by in vivo glnR inactivation and complementation indicated that GlnR is essential for theactive transcription of glnA in U32.

关键词： glnA promoter cis-element glnR Amycolatopsis mediterranei

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Sequencing and Analysis of a Genomic Fragment Provide an Insight into the Dunaliella viridis Genomic Sequence

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Acta Biochimica et Biophysica Sinica 2006年第11期38卷 812-820页

作者： Xiao-Ming SUN~(1#) Yuan-Ping TANG~(1#) Xiang-Zong MENG~1 wen-wen ZHANG~1 Shan LI~1 Zhi-Rui DENG~1 Zheng-Kai xu~(1,2) Ren-Tao SONG~1* 1 shanghai Key laboratory of Bio-energy Crops,School of Life sciences,shanghai University,shanghai 200444,China 2 institute of plant physiology & ecology,shanghai institutes for biological sciences,chinese academy of sciences,shanghai 2.0032,China shanghaiKeylaboratoryofBio-energyCrops SchoolofLifeSciencesShanghaiUniversityShanghai200444China instituteofplantphysiology&ecology ShanghaiInstitutesforBiologicalSciencesChineseAcademyofSciencesShanghai200032

Dunaliella is a genus of wall-less unicellular eukaryotic green *** exceptional resistancesto salt and various other stresses have made it an ideal model for stress tolerance ***,very littleis known about its genome and genomic *** this study,we sequenced and analyzed a 29,268 bpgenomic fragment from DunalieIla *** fragment showed low sequence homology to the *** the nucleotide level,only a segment with significant sequence homology to 18S rRNA *** fragment contained six putative genes,but only one gene showed significant homology at theprotein level to GenBank *** average GC content of this sequence was 51.1%,which was muchlower than that of close related green algae Chlamydomonas （65.7%）.Significant segmental duplicationswere found within this *** duplicated sequences accounted for about 35.7% of the *** amounts of simple sequence repeats （microsatellites） were found,with strong bias towards（AC）_n type （76%）.Analysis of other Dunaliella genomic sequences in the GenBank database （total 25,749bp） was in agreement with these *** sequence features made it difficult to sequence Dunaliellagenomic *** investigation should be made to reveal the biological significance of these uniquesequence features.

关键词： Dunaliella viridis genomic sequence sequence feature sequence duplication simple sequence repeat

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