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Mount Pleasant Tribune (Mount Pleasant, Tex.), Vol. 146, No. 103, Ed. 1 Wednesday, December 9, 2020
Semiweekly newspaper from Mount Pleasant, Texas that includes local, state, and national news along with advertising.
Date:
December 9, 2020
Creator:
Duncan, Di
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 114, No. 40, Ed. 1 Thursday, April 9, 2020
Weekly newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 9, 2020
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Leonard Graphic (Leonard, Tex.), Vol. 130, No. 2, Ed. 1 Thursday, January 9, 2020
Weekly newspaper from Leonard, Texas that includes local, state, and national news along with advertising.
Date:
January 9, 2020
Creator:
Blevins, Betsy
Object Type:
Newspaper
System:
The Portal to Texas History
Substrate Specificity of LACCASE8 Facilitates Polymerization of Caffeyl Alcohol for C-Lignin Biosynthesis in the Seed Coat of Cleome hassleriana
This article finds that the transcript profile of the laccase gene ChLAC8 parallels the accumulation of C-lignin during seed coat development. Recombinant ChLAC8 oxidizes caffeyl and sinapyl alcohols, generating their corresponding dimers or trimers in vitro, but cannot oxidize coniferyl alcohol. The authors propose a basis for this substrate preference based on molecular modeling/docking experiments. Suppression of ChLAC8 expression led to significantly reduced C-lignin content in the seed coats of transgenic Cleome plants. Feeding of 13C-caffeyl alcohol to the Arabidopsis (Arabidopsis thaliana) caffeic acid o-methyltransferase mutant resulted in no incorporation of 13C into C-lignin, but expressing ChLAC8 in this genetic background led to appearance of C-lignin with >40% label incorporation. These results indicate that ChLAC8 is required for C-lignin polymerization and determines lignin composition when caffeyl alcohol is available.
Date:
October 9, 2020
Creator:
Wang, Xin; Zhuo, Chunliu; Xiao, Xirong; Wang, Xiaoqiang; Docampo-Palacios, Maite; Chen, Fang et al.
Object Type:
Article
System:
The UNT Digital Library