Literature DB >> 16891545

Transgenic tobacco plants overexpressing chitinases of fungal origin show enhanced resistance to biotic and abiotic stress agents.

María de las Mercedes Dana1, José A Pintor-Toro, Beatriz Cubero.   

Abstract

Genes encoding defense-related proteins have been used to alter the resistance of plants to pathogens and other environmental challenges, but no single fungal gene overexpression has produced broad-spectrum stress resistance in transgenic lines. We have generated transgenic tobacco (Nicotiana tabacum) lines that overexpress the endochitinases CHIT33 and CHIT42 from the mycoparasitic fungus Trichoderma harzianum and have evaluated their tolerance to biotic and abiotic stress. Both CHIT33 and CHIT42, individually, conferred broad resistance to fungal and bacterial pathogens, salinity, and heavy metals. Such broad-range protective effects came off with no obvious detrimental effect on the growth of tobacco plants.

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Year:  2006        PMID： 16891545      PMCID： PMC1586035          DOI： 10.1104/pp.106.086140

Source DB:  PubMed          Journal:  Plant Physiol        ISSN： 0032-0889            Impact factor:   8.340


  58 in total

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Authors:  M C Limón; J M Lora; I García; J de la Cruz; A Llobell; T Benítez; J A Pintor-Toro
Journal:  Curr Genet       Date:  1995-10       Impact factor: 3.886

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Review 8.  Plant responses to abiotic stresses: heavy metal-induced oxidative stress and protection by mycorrhization.

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Journal:  J Exp Bot       Date:  2002-05       Impact factor: 6.992

9.  Overexpression of the tobacco Tsi1 gene encoding an EREBP/AP2-type transcription factor enhances resistance against pathogen attack and osmotic stress in tobacco.

Authors:  J M Park; C J Park; S B Lee; B K Ham; R Shin; K H Paek
Journal:  Plant Cell       Date:  2001-05       Impact factor: 11.277

10.  Cloning and characterization of a chitinase (chit42) cDNA from the mycoparasitic fungus Trichoderma harzianum.

Authors:  I García; J M Lora; J de la Cruz; T Benítez; A Llobell; J A Pintor-Toro
Journal:  Curr Genet       Date:  1994-12       Impact factor: 3.886
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  58 in total

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Journal:  Ecotoxicology       Date:  2015-06-05       Impact factor: 2.823

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6.  Diverse responses of wild and cultivated tomato to BABA, oligandrin and Oidium neolycopersici infection.

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Review 9.  The molecular mechanism of zinc and cadmium stress response in plants.

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Journal:  Cell Mol Life Sci       Date:  2012-08-18       Impact factor: 9.261

10.  Differential expression of the TFIIIA regulatory pathway in response to salt stress between Medicago truncatula genotypes.

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