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The R2R3-MYB gene family in banana (Musa acuminata): Genome-wide identification, classification and expression patterns

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Title The R2R3-MYB gene family in banana (Musa acuminata): Genome-wide identification, classification and expression patterns
 
Creator Pucker, Boas
Pandey, Ashutosh
Weisshaar, Bernd
Stracke, Ralf
 
Subject Bananas
Cellular stress responses
Lignin
Meristems
Transcription factors
Oils
Cell walls
Gene expression
 
Description Accepted date: September 3, 2020
The R2R3-MYB genes comprise one of the largest transcription factor gene families in
plants, playing regulatory roles in plant-specific developmental processes, defense
responses and metabolite accumulation. To date MYB family genes have not yet been comprehensively identified in the major staple fruit crop banana. In this study, we present a comprehensive, genome-wide analysis of the MYB genes from Musa acuminata DH-Pahang (A
genome). A total of 285 R2R3-MYB genes as well as genes encoding three other classes of
MYB proteins containing multiple MYB repeats were identified and characterised with
respect to structure and chromosomal organisation. Organ- and development-specific
expression patterns were determined from RNA-Seq data. For 280 M. acuminata MYB
genes for which expression was found in at least one of the analysed samples, a variety of
expression patterns were detected. The M. acuminata R2R3-MYB genes were functionally
categorised, leading to the identification of seven clades containing only M. acuminata
R2R3-MYBs. The encoded proteins may have specialised functions that were acquired or
expanded in Musa during genome evolution. This functional classification and expression
analysis of the MYB gene family in banana establishes a solid foundation for future comprehensive functional analysis of MaMYBs and can be utilized in banana improvement
programmes.
The research stay of AP at Weisshaar lab was supported by a grant from Alexander von Humbold Foundation (AvH) (AvH-IND/1184925). The publication costs were supported by Deutsche Forschungsgemeinschaft (DFG) and the Open Access Publication Fund of Bielefeld University. This is a general fund of Bielefeld University with DFG support. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
 
Date 2020-10-08T05:41:34Z
2020-10-08T05:41:34Z
2020
 
Type Article
 
Identifier PLoS One, 15(10): e0239275
1932-6203
https://doi.org/10.1371/journal.pone.0239275
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0239275
http://223.31.159.10:8080/jspui/handle/123456789/1109
 
Language en_US
 
Format application/pdf
 
Publisher PLOS