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Transcriptome analysis of A661 leaves


ABSTRACT: The maize inbred line A661 shows a characteristic phenotype when grown at suboptimal temperatures for three weeks and then is exposed to optimal temperatures for one extra week. After this period the third leaf showed two well defined sections: distal (chlorophyll-less; CL) and proximal (chlorophyll-containing; CC) sections. To further investigate the performance of the inbred line A661 under cold conditions a gene expression profiling analysis was conducted using large scale maize microarrays. A total of 1002 transcripts change their expression between both leaf sections and the majority of these codify for proteins located to the chloroplast. Three biological replicates of each leaf sections were analysed. The CC section was used as control.

ORGANISM(S): Zea mays

SUBMITTER: Victor Rodriguez 

PROVIDER: E-GEOD-41956 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Genetic regulation of cold-induced albinism in the maize inbred line A661.

Rodríguez Víctor M VM   Velasco Pablo P   Garrido José L JL   Revilla Pedro P   Ordás Amando A   Butrón Ana A  

Journal of experimental botany 20130723 12


In spite of multiple studies elucidating the regulatory pathways controlling chlorophyll biosynthesis and photosynthetic activity, little is known about the molecular mechanism regulating cold-induced chlorosis in higher plants. Herein the characterization of the maize inbred line A661 which shows a cold-induced albino phenotype is reported. The data show that exposure of seedlings to low temperatures during early leaf biogenesis led to chlorophyll losses in this inbred. A661 shows a high plasti  ...[more]

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