Abstract:
:Sigma factor binding proteins are involved in modifying the promoter preferences of the RNA polymerase in bacteria. We found the nuclear encoded protein (SibI) that is transported into chloroplasts and interacts specifically with the region 4 of Sig1 in Arabidopsis. SibI and its homologue, T3K9.5 are novel proteins, which are not homologous to any protein of known function. The expression of sibI was tissue specific, light dependent, and developmentally timed. We suggest the transcriptional regulation by sigma factor binding proteins to function in the plastids of higher plant.
journal_name
FEBS Lettjournal_title
FEBS lettersauthors
Morikawa K,Shiina T,Murakami S,Toyoshima Ydoi
10.1016/s0014-5793(02)02388-8keywords:
subject
Has Abstractpub_date
2002-03-13 00:00:00pages
300-4issue
2-3eissn
0014-5793issn
1873-3468pii
S0014579302023888journal_volume
514pub_type
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