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Title: Plant cell wall architecture. Final report, 1 June 1994--30 October 1996

The authors have successfully finished the DOE-supported project entitled ``Plant cell wall architecture.`` During the funding period (June 1, 1994--October 30, 1996), they have published 6 research papers and 2 review articles. A brief description of these accomplishments is outlined as follows: (1) Improved and extended tissue printing techniques to reveal different surface and wall architectures, and to localized proteins and RNA. (2) Identification of an auxin- and cytokinin-regulated gene from Zinnia which is mainly expressed in cambium. (3) It was found that caffeoyl CoA 3-O-methyltransferase is involved in an alternative methylation pathway of lignin biosynthesis. (4) It was found that two different O-methyltransferases involved in lignification are differentially regulated in different lignifying tissues during development. They propose a scheme of monolignol biosynthesis combining both methylation pathways. (5) Identification of cysteine and serine proteases which are preferentially expressed during xylogenesis. This is the first report to identify an autolysis-associated cDNA in plants. (6) Characterization of two ribonuclease genes which are induced during xylogenesis and by wounding. (7) Isolation of cinnamic acid 4-hydroxylase gene and analysis of its expression patterns during lignification.
Publication Date:
OSTI Identifier:
676935
Report Number(s):
DOE/ER/13255--T1
ON: DE99001018; TRN: AHC29821%%68
DOE Contract Number:
FG02-84ER13255
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: [1996]
Research Org:
Univ. of Georgia, Athens, GA (United States)
Sponsoring Org:
USDOE Office of Energy Research, Washington, DC (United States)
Country of Publication:
United States
Language:
English
Subject:
55 BIOLOGY AND MEDICINE, BASIC STUDIES; PROGRESS REPORT; BIOCHEMICAL REACTION KINETICS; PLANT CELLS; CELL WALL; MOLECULAR BIOLOGY; GENES; BIOLOGICAL PATHWAYS; PHYSIOLOGY; LIGNIN