Ectopic expression reveals a conserved PHYB homolog in soybean.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 22110748.
- Also identified by DOI 10.1371/journal.pone.0027737 and PMC identifier 3218029.
- Licence recorded as CC BY.
- The licence permits redistribution, so the abstract is shown in full and the full text is available from the publisher.
Abstract
Phytochromes sense red/far-red light and trigger a cascade of physiological responses in plant. Here, a phytochrome B homolog, GmPHYB1, was amplified from the soybean genome, and its expression profiles were obtained for various parts of the plant and at various developmental stages. The gene was ectopically expressed in Arabidopsis thaliana, driven by CaMV 35S promoter, to study the physiological functions of the gene product. The overexpressors of GmPHYB1 behaved similarly to those of AtPHYB, but with some subtle differences with respect to the acceleration of flowering under short day conditions and the growth of the hypocotyl under certain light fluence rate. The results suggested that this soybean PHYB homolog was well conserved both at the level of sequence and physiological function.
Medical subject headings
- Phytochrome B
- Sequence Homology, Nucleic Acid
- Glycine max