Hydroxyproline-rich glycoproteins expressed during stress responses in cassava |
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| Authors: | Yuanhuai Han Rocío Gómez-Vásquez Kim Reilly Hongying Li Joe Tohme Richard M Cooper John R Beeching |
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| Institution: | (1) Department of Biology & Biochemistry, University of Bath, Bath, BA2 7AY, U.K.;(2) Present address: Plant Science Division, University of Nottingham, Sutton Bonington Campus, Loughborough, LE12 5RD, U.K.;(3) CIAT, Apartado Aereo 6713, Cali, Colombia |
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| Abstract: | The storage roots of cassava (Manihot esculenta Crantz) suffer from a rapid post-harvest deterioration that is a major constraint to their increased exploitation. In many
ways this deterioration resembles wound responses in other better studied plant systems, though it appears to lack an adequate
wound repair response. A cDNA clone (cMeHRGP1) for a hydroxyproline-rich glycoprotein expressed during the deterioration response
was isolated and characterised. This clone proved to be an antisense pairing, coding for part of phosphoserine aminotransferase
on its complementary strand. Messenger RNA corresponding to cMeHRGP1 accumulated in deteriorating cassava roots from day three
after harvest, by which time the deterioration response was well advanced. There by confirming that aspects of the wound repair
response were inadequate in harvested cassava roots.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | antisense pairing cassava HRGP hydroxyproline-rich glycoprotein Manihot esculenta post-harvest deterioration wound response |
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