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@article{489835,
author = {Hejátko, Jan and Pernisová, Markéta and Eneva, Tinka and Palme, Klaus and Brzobohatý, Břetislav},
article_number = {4},
keywords = {female gametophyte development; two-component signaling; sensor histidine kinase; early seed development; genomic imprinting},
language = {eng},
issn = {1617-4615},
journal = {Molecular Genetics and Genomics},
title = {The putative sensor histidine kinase CKI1 is involved in female gametophyte development in Arabidopsis},
volume = {269},
year = {2003}
}
TY - JOUR
ID - 489835
AU - Hejátko, Jan - Pernisová, Markéta - Eneva, Tinka - Palme, Klaus - Brzobohatý, Břetislav
PY - 2003
TI - The putative sensor histidine kinase CKI1 is involved in female gametophyte development in Arabidopsis
JF - Molecular Genetics and Genomics
VL - 269
IS - 4
SP - 443-453
EP - 443-453
SN - 16174615
KW - female gametophyte development
KW - two-component signaling
KW - sensor histidine kinase
KW - early seed development
KW - genomic imprinting
N2 - To investigate the involvement of the putative sensor histidine kinase CKI1 in Arabidopsis thaliana development, we employed an approach that relies on the phenotype analysis of loss-of-function mutants. We report the identification of an allele of CKI1, cki1-i, which resulted from the insertion of an En-1 transposon into CKI1, and show that the mutation causes a block in embryo sac formation. We show that CKI1 is expressed throughout embryo sac development, and is switched on transiently during early seed development. These results demonstrate that gametophytic expression of a sensor-like molecule is essential for specific processes during megagametogenesis in Arabidopsis thaliana.
ER -
HEJÁTKO, Jan, Markéta PERNISOVÁ, Tinka ENEVA, Klaus PALME a Břetislav BRZOBOHATÝ. The putative sensor histidine kinase CKI1 is involved in female gametophyte development in Arabidopsis. \textit{Molecular Genetics and Genomics}. 2003, roč.~269, č.~4, s.~443-453. ISSN~1617-4615.
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