Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli.

Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Research Abstract Details 

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Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Abstract Text:

Jianming Fan,Hongbin Wang,Dongru Feng,Bin Liu,Haiyan Liu,Jinfa Wang,Jianming Fan,Hongbin Wang,Dongru Feng,Bin Liu,Haiyan Liu,Jinfa Wang,Jianming Fan,Hongbin Wang,Dongru Feng,Bin Liu,Haiyan Liu,Jinfa Wang,

We have cloned a chitinase cDNA (MpChi-1) from plantain (Musa paradisiacal L) using rapid amplification of cDNA ends (RACE) according to a sequence fragment which we had cloned using the suppression subtractive hybridization (SSH) technique. The MpChi-1 encodes a protein of 326 amino acids and belongs to acidic chitinase class Ib subfamily. MpChi-1 shares high identity with rice endochitinase (XP_468714) and different each other only at three residues. Homology modelling indicated these three substitutions would not change the configuration of the activity site of the enzyme. We have expressed recombinant MpChi-1 and purified by ammonium sulphate precipitation and preparative reversed phase HPLC. The recombinant protein could hydrolyse chitin and inhibit the growth of the Gloeosporium musarum Cke and Massee in vitro. Northern blot revealed that the MpChi-1 transcripts rapidly after inoculation with G. musarum and maximum mRNA accumulation reached at 48 h. Jasmonic acid (JA) and salicylic acid (SA) could induce MpChi-1 expression, while mechanical wounding, silver nitrate and osmotic stress stimulated only a slight accumulation of MpChi-1 transcripts. Abscisic acid (ABA) could induce MpChi-1 transcript. These results suggest the MpChi-1 plays important role in the events of the hypersensitive reaction (HR).

Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Publishing Authors By Initials

J Fan,H Wang,D Feng,B Liu,H Liu,J Wang,J Fan,H Wang,D Feng,B Liu,H Liu,J Wang,J Fan,H Wang,D Feng,B Liu,H Liu,J Wang,

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Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of biochemistry

VOLUME: 142

Page Numbers: 561-70

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 16

MONTH: Nov

YEAR: 2007

Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Information

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LANGUAGE: eng

NlmUniqueID: 376600

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Chemical & Substance for Abstract: Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli. Information

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Grant and Affiliation Information for Molecular Characterization of Plantain Class I Chitinase Gene and its Expression in Response to Infection by Gloeosporium musarum Cke and Massee and other Abiotic Stimuli.

AFFILIATION: The State Key Laboratory of Biocontrol and The Key Laboratory of Gene Engineering of Ministry of Education, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China.

Country: Japan

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MEDLINETA: J Biochem (Tokyo)

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