The CUP-SHAPED COTYLEDON2 and 3 genes have a post-meristematic effect on Arabidopsis thaliana phyllotaxis | Zendy

Agata Burian | Zendy; Magdalena Raczyńska-Szajgin | Zendy; Dorota Borowska-Wykręt | Zendy; Agnieszka Piatek | Zendy; Mitsuhiro Aida | Zendy; Dorota Kwiatkowska | Zendy

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The CUP-SHAPED COTYLEDON2 and 3 genes have a post-meristematic effect on Arabidopsis thaliana phyllotaxis

Author(s) -

Agata Burian,

Magdalena Raczyńska-Szajgin,

Dorota Borowska-Wykręt,

Agnieszka Piatek,

Mitsuhiro Aida,

Dorota Kwiatkowska

Publication year - 2015

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcv013

Subject(s) - phyllotaxis , meristem , primordium , biology , pedicel , inflorescence , botany , arabidopsis thaliana , apex (geometry) , mutant , arabidopsis , shoot , genetics , gene

The arrangement of flowers in inflorescence shoots of Arabidopsis thaliana represents a regular spiral Fibonacci phyllotaxis. However, in the cuc2 cuc3 double mutant, flower pedicels are fused to the inflorescence stem, and phyllotaxis is aberrant in the mature shoot regions. This study examined the causes of this altered development, and in particular whether the mutant phenotype is a consequence of defects at the shoot apex, or whether post-meristematic events are involved.

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