Guar Seed ß-Mannan Synthase Is a Member of the Cellulose Synthase Super Gene Family-Reference-Cited by-同舟云学术

Guar Seed ß-Mannan Synthase Is a Member of the Cellulose Synthase Super Gene Family

Published:2004-01-16 Issue:5656 Volume:303 Page:363-366
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Dhugga Kanwarpal S.¹²³⁴,Barreiro Roberto¹²³⁴,Whitten Brad¹²³⁴,Stecca Kevin¹²³⁴,Hazebroek Jan¹²³⁴,Randhawa Gursharn S.¹²³⁴,Dolan Maureen¹²³⁴,Kinney Anthony J.¹²³⁴,Tomes Dwight¹²³⁴,Nichols Scott¹²³⁴,Anderson Paul¹²³⁴

Affiliation:

1. Crop Genetics Research and Development, Pioneer Hi-Bred International, Inc., A DuPont Company, 7300 NW 62nd Avenue, Johnston, IA 50131, USA.

2. Department of Biosciences and Biotechnology, Indian Institute of Technology, Roorkee, India 247667.

3. Crop Genetics Research and Development, DuPont Experiment Station, Wilmington, DE 19880, USA.

4. Central Research and Development, DuPont Experiment Station, Wilmington, DE 19880, USA.

Abstract

Genes for the enzymes that make plant cell wall hemicellulosic polysaccharides remain to be identified. We report here the isolation of a complementary DNA (cDNA) clone encodingone such enzyme, mannan synthase (ManS), that makes the β-1, 4-mannan backbone of galactomannan, a hemicellulosic storage polysaccharide in guar seed endosperm walls. The soybean somatic embryos expressing ManS cDNA contained high levels of ManS activities that localized to Golgi. Phylogenetically, ManS is closest to group A of the cellulose synthase–like (Csl) sequences from Arabidopsis and rice. Our results provide the biochemical proof for the involvement of the Csl genes in β-glycan formation in plants.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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5. The Cellulose Synthase Superfamily

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