Characterization of two CTR-like protein kinases in Rosa hybrida and their expression during flower senescence and in response to ethylene |
| |
Authors: | Müller Renate Owen Carolyn A Xue Zhong-Tian Welander Margareta Stummann Bjarne M |
| |
Institution: | Department of Agricultural Science, Horticulture, Royal Veterinary and Agricultural University, Thorvaldsensvej 40, DK-1871 Frederiksberg C, Denmark. renate.muller@kvl.dk |
| |
Abstract: | The expression of two CTR-gene homologues was investigated during flower senescence in two Rosa hybrida cultivars. A fragment of a gene for a protein kinase, termed RhCTR1 (GenBank Acc. No. AF271206), was amplified by PCR and used to isolate the corresponding full-length cDNA (Acc. No. AY032953) from a rose petal cDNA library. The protein RhCTR1 has 66% amino acid identity to Arabidopsis CTR1. A fragment of a second CTR homologue, termed RhCTR2 (Acc. No. AY029067) is 69% identical to the corresponding region of RhCTR1. RhCTR1 expression increased during flower senescence, while RhCTR2 was constitutively expressed during flower development. The expression of both RhCTR1 and RhCTR2 was increased in response to exogenous ethylene. |
| |
Keywords: | |
本文献已被 PubMed Oxford 等数据库收录! |
|