Bulk Segregant Analysis of an Induced Floral Mutant Identifies aMIXTA-Like R2R3MYBControlling Nectar Guide Formation inMimulus lewisii | Zendy

YaoWu Yuan | Zendy; Janelle M. Sagawa | Zendy; Verónica S. Di Stilio | Zendy; H. D. Bradshaw | Zendy

Open Access

Bulk Segregant Analysis of an Induced Floral Mutant Identifies aMIXTA-Like R2R3MYBControlling Nectar Guide Formation inMimulus lewisii

Author(s) -

YaoWu Yuan,

Janelle M. Sagawa,

Verónica S. Di Stilio,

H. D. Bradshaw

Publication year - 2013

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1534/genetics.113.151225

Subject(s) - biology , nectar , myb , stamen , mutant , genetics , gene , botany , gene expression , pollen

The genetic and developmental basis of many ecologically important floral traits (e.g., carotenoid pigmentation, corolla tube structure, nectar volume, pistil and stamen length) remains poorly understood. Here we analyze a chemically induced floral mutant of Mimulus lewisii through bulk segregant analysis and transgenic experiments and identify a MIXTA-like R2R3 MYB gene that controls nectar guide formation in M. lewisii flowers, which involves epidermal cell development and carotenoid pigmentation.

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