Details

Autor(en) / Beteiligte

• Seo, S.G., The University of Seoul, Seoul, Republic of Korea
• Jeon, S.B., The University of Seoul, Seoul, Republic of Korea
• Kim, J.S., The University of Seoul, Seoul, Republic of Korea
• Shin, J.M., The University of Seoul, Seoul, Republic of Korea
• Kim, J.B., Konkuk University, Chungju, Republic of Korea
• Kang, S.W., Chung-Ang University, Ansung, Republic of Korea
• Lee, G.P., Chung-Ang University, Ansung, Republic of Korea
• Kim, S.H., The University of Seoul, Seoul, Republic of Korea

Titel

Characterization and expression pattern of IbPRP1 and IbPRP2 stress-related genes from sweetpotato

Ist Teil von

• Genes & Genomics, 2010, 32(5), , pp.487-497

Ort / Verlag

Heidelberg: The Genetics Society of Korea

Erscheinungsjahr

2010

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Two putative stress-related genes were isolated from sweetpotato and were designated as IbPRP1 and IbPRP2 (Ipomoea batatas proline-rich proteins 1 and 2). The deduced amino acid aligment of IbPRP1 and IbPRP2 shows that these two genes belong to the AAI_LTSS superfamily. Proteins in this family are known to play primary roles including defending plants from pathogens and insects, lipid transport between intracellular membranes, and nutrient storage. The mRNA expression of IbPRP1 and IbPRP2 were investigated and the results demonstrate that IbPRP2 has tissue-specific expression. Moreover, IbPRP1 and IbPRP2 may be involved in response to various stresses including drought, pathogen, and oxidative stress. In addition, when leaf disc test was performed, the IbPRP1 transgenic tobacco plants showed increase in tolerance to salt (100 mM, 200 mM, and 300 mM). Moreover, IbPRP1 and IbPRP2 may have some roles of transmembrane protein in sweetpotato when checked through GFP fusion cell localization and transmembrane analysis. All of these results indicate that IbPRP1 and IbPRP2 might play an important role in plant stress responses.