Despite much research into the regulation of root system architecture, a complex process, the detailed molecular mechanism is still not clear. We screened and isolated a mutant, root elongation inhibited 1 (rei1), in the T-DNA mutant library, which showed altered root growth and development, such as reduced root and silique growth and defective flower development. Microstructure analysis revealed irregular shape, loose arrangement and horizontal enlargement in the inner structure of the epidermis and cortex cells of mutant roots. Genetic analysis revealed rei1 as a single recessive- gene mutant and cosegregated with a T-DNA tag; we used map-based cloning to identify the candidate gene. REI1 may contribute to regulating root growth and development in Arabidopsis.
Xiaoliang Zhao, Guoyong An, Pengcheng Wang, Ling Bai, Chunpeng Song
. Isolation and Characterization of Arabidopsis rei1 Mutant[J]. Chinese Bulletin of Botany, 2011
, 46(5)
: 498
.
DOI: 10.3724/SP.J.1259.2011.00498
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