Abstract:
:When wheat (Triticum aestivum) seedlings are exposed to a cold temperature (2-4 degrees C) above 0 degrees C, sucrose accumulates and sucrose synthase activity increases. The effect of a cold period on the level of sucrose synthase (SS) was investigated. Using antibodies against wheat germ SS, Western blots studies showed that the amount of the SS peptide increased during 14 days in the cold, when plants were moved from 23 degrees C to 4 degrees C. The level of SS diminished when plants were moved back to 23 degrees C. Northern blots of poly(A)(+) RNA, confirmed a five- to sixfold induction of SS in wheat leaves during cold acclimation. These results indicate that SS is involved in the plant response to a chilling stress.
journal_name
Plant Physioljournal_title
Plant physiologyauthors
Crespi MD,Zabaleta EJ,Pontis HG,Salerno GLdoi
10.1104/pp.96.3.887subject
Has Abstractpub_date
1991-07-01 00:00:00pages
887-91issue
3eissn
0032-0889issn
1532-2548journal_volume
96pub_type
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