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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Characterization of an S-locus receptor protein kinase-like gene from peach
Tree Physiology, Volume 25, No. 4, Year 2005
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Description
A receptor-like protein kinase gene (Ppsrkl1) was isolated from a peach (Prunus persica (L.) Batsch.) bark cDNA library prepared with RNAs isolated from bark collected in December (cold acclimated). Sequence analysis indicated that this gene is related to the S-locus family of receptor protein kinases (SRKs) and that it shares greatest homology with ZMPK1 from maize and At4g32300 from Arabidopsis, both of which are intron-less genes. In bark tissues, Ppsrkl1 is induced by water deficit treatment, repressed by short-day photoperiods and showed no response to cold treatment. The Ppsrkl1 mRNA also increased in roots in response to water deficit. In fruit, Ppsrkl1 shows no response up to 6 h after wounding, but at 12 and 24 h after wounding, Ppsrkl1 mRNA shows an abrupt decline. This decline was prevented by the addition of salicylic acid to the wound site. The Ppsrkl1 mRNA rapidly decreased in fruit after 10-min exposure to UV-C radiation, followed by a return to normal levels within 1.5 h. Taken together, these experiments indicate that Ppsrkl1 is negatively regulated by light and positively influenced by salicylic acid treatment in fruit and water stress in bark and roots. © 2005 Heron Publishing - Victoria, Canada.
Authors & Co-Authors
Bassett, Carole Leavel
United States, Washington, D.c.
Usda Agricultural Research Service
Nickerson, Michael L.
United States, Frederick
National Cancer Institute at Frederick
Farrell, Robert E.
United States, York
Penn State York
Artlip, Timothy S.
United States, Washington, D.c.
Usda Agricultural Research Service
El-Ghaouth, Ahmed
Mauritania
Rim Informatique
Wilson, Charles L.
United States, Washington, D.c.
Usda Agricultural Research Service
Wisniewski, Michael E.
United States, Washington, D.c.
Usda Agricultural Research Service
Statistics
Citations: 22
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1093/treephys/25.4.403
ISSN:
0829318X
Research Areas
Cancer
Environmental
Genetics And Genomics