CyberinfraV1, Main, Exploration, bibRecord, 000214

Evolutionary developmental transcriptomics reveals a gene network module regulating interspecific diversity in plant leaf shape

Identifieur interne : 000214 ( Main/Exploration ); précédent : 000213; suivant : 000215

Evolutionary developmental transcriptomics reveals a gene network module regulating interspecific diversity in plant leaf shape

Auteurs : Yasunori Ichihashi [Japon] ; José Antonio Aguilar-Martínez ; Moran Farhi ; Daniel H. Chitwood ; Ravi Kumar ; Lee V. Millon ; Jie Peng ; Julin N. Maloof ; Neelima R. Sinha

Source :

Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2014.

RBID : PMC:4078850

Abstract

Significance

Ever since Darwin’s pioneering research, a major challenge in biology has been to understand the genetic basis of morphological evolution. Utilizing the natural variation in leaf morphology between tomato and two related wild species, we identified a gene network module that leads to a dynamic rewiring of interactions in the whole leaf developmental gene regulatory network. Our work experimentally validates the hypothesis that peripheral regions of network, rather than network hubs, are more likely to contribute to evolutionary innovations. Our data also suggest that, likely due to their bottleneck location in the network, the regulation in KNOX homeobox genes was repeatedly manipulated to generate natural variation in leaf shape.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4078850

DOI: 10.1073/pnas.1402835111
PubMed: 24927584
PubMed Central: 4078850

Affiliations:

Japon

Le document en format XML

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<country xml:lang="fr">Japon</country>
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 95616</nlm:aff>
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<front><div type="abstract" xml:lang="en"><title>Significance</title>
<p>Ever since Darwin’s pioneering research, a major challenge in biology has been to understand the genetic basis of morphological evolution. Utilizing the natural variation in leaf morphology between tomato and two related wild species, we identified a gene network module that leads to a dynamic rewiring of interactions in the whole leaf developmental gene regulatory network. Our work experimentally validates the hypothesis that peripheral regions of network, rather than network hubs, are more likely to contribute to evolutionary innovations. Our data also suggest that, likely due to their bottleneck location in the network, the regulation in KNOX homeobox genes was repeatedly manipulated to generate natural variation in leaf shape.</p>
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Evolutionary developmental transcriptomics reveals a gene network module regulating interspecific diversity in plant leaf shape

Evolutionary developmental transcriptomics reveals a gene network module regulating interspecific diversity in plant leaf shape

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Abstract

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