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Electronic Journal of Biotechnology
Universidad Católica de Valparaíso
ISSN: 0717-3458
Vol. 12, No. 1, 2009
Bioline Code: ej09007
Full paper language: English
Document type: Short Communication
Document available free of charge

Electronic Journal of Biotechnology, Vol. 12, No. 1, 2009

 en Two LTR Retrotransposon elements within the abscisic acid gene cluster in Botrytis cinerea check for this species in other resources B05.10, but not in SAS56
Zhao, M.; Zhou, Y.; Tan, Y.; Song, W.; Li, Z. & Tan, H.


The plant hormone abscisic acid has huge economic potential and can be applied in agriculture and forestry for it is considered to be involved in plant resistance to stresses such as cold, heat, salinity, drought, pathogens and wounding. Now overproducing strains of Botrytis cinerea check for this species in other resources are used for biotechnological production of abscisic acid. An LTR retrotransposon, Boty-aba, and a solo LTR were identified by in silico genomic sequence analysis, and both were detected within the abscisic acid gene cluster in B. cinerea B05.10, but not in B. cinerea SAS56. Boty-aba contains a pair of LTRs and two internal genes. The LTRs and the first gene have features characteristic of Ty3/gypsy LTR retrotransposons. The second gene is a novel gene, named brtn, which encodes for a protein (named BRTN) without putative conserved domains. The impressive divergence in structure of the abscisic acid gene clusters putatively gives new clues to investigate the divergence in the abscisic acid production yields of different B. cinerea strains.

Botrytis cinerea, genomic sequence analysis, in silico, LTR retrotransposon.

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