New role of phenylpropanoid compounds during sugarcane micropropagation in Temporary Immersion Bioreactors (TIBs)

被引：26

作者：

Arencibia, Ariel D. ^{[1
,2
]}

Bernal, Aydiloide ^{[1
]}

Yang, Liu ^{[2
]}

Cortegaza, Leidy ^{[1
]}

Carmona, Elva R. ^{[1
]}

Perez, Alicia ^{[1
]}

Hu, Chun-Jin ^{[2
]}

Li, Yang-Rui ^{[2
]}

Zayas, Carlos M. ^{[1
]}

Santana, Ignacio ^{[1
]}

机构：

[1] Natl Inst Sugarcane Res, Genet & Biotechnol Dept, Havana 19390, Cuba

[2] Guangxi Acad Agr Sci, Crop Genet Improvement & Biotechnol Lab, Nanning 530007, Peoples R China

来源：

PLANT SCIENCE | 2008年 / 175卷 / 04期

关键词：

phenolic compounds; micropropagation; sugarcane; Temporary Immersion Bioreactors (TIBs);

D O I：

10.1016/j.plantsci.2008.05.024

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The genomic characterization of sugarcane plants has been achieved by suppressing key genes of the phenylpropanoid pathway; as a result, a new function of phenolic metabolites has been characterized during micropropagation in TIBs. Genes related to cell metabolism and development (10), plant defenses (9), phenylpropanoids (7), methyl jasmonate response (5), ethylene (5), oxidative burst (3) and, auxins (3) pathways, among others (8) were found to be induced in sugarcane plants micropropagating in TIBs with phenolic metabolites, supporting that phenylpropanoids might act as elicitor molecules of others biochemical pathways. During adaptation to natural conditions, plants micropropagated in TIBs with highest levels of phenolics displayed an increased number of functional roots, a high growth rate and, an early ability to be colonized by the natural sugarcane endophytic Gluconacetobacter diazotrophicus. (c) 2008 Elsevier Ireland Ltd. All rights reserved.

引用

页码：487 / 496

页数：10

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