ArticlePlant physiology2006
The cellulose synthase gene superfamily and biochemical functions of xylem-specific cellulose synthase-like genes in Populus trichocarpa.
Article in Plant physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 118 papers.
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118 citing papers in PubMed, 262 citations in OpenAlex.
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- Cellulose synthase TaCESA7 negatively regulates wheat resistance to stripe rust by reducing cell wall lignification.Stress biology · 2025Article
- Simultaneous regulation of both lignin and cellulose biosynthesis modifies xylem fiber properties inFrontiers in plant science · 2025Article
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- Genome-wide analysis of the Amorphophallus konjac AkCSLA gene family and its functional characterization in drought tolerance of transgenic arabidopsis.BMC plant biology · 2024Article
- Decrypting Molecular Mechanisms Involved in Counteracting Copper and Nickel Toxicity in Jack Pine (Plants (Basel, Switzerland) · 2024Article
- Genome-wide analysis of cellulose synthase gene superfamily in3 Biotech · 2024Article
- Ectopic Expression ofInternational journal of molecular sciences · 2024Article
- Deciphering the intricate hierarchical gene regulatory network: unraveling multi-level regulation and modifications driving secondary cell wall formation.Horticulture research · 2024Article
- Expression Quantitative Trait Locus of Wood Formation-Related Genes inInternational journal of molecular sciences · 2023Article
- Poplar coma morphogenesis and miRNA regulatory networks by combining ovary tissue sectioning and deep sequencing.iScience · 2023Article
- Blue Light Regulates Cell Wall Structure and Carbohydrate Metabolism of Soybean Hypocotyl.International journal of molecular sciences · 2023Article
58 more citing papers are in PubMed but not listed here.
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4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Wood from forest trees modified for more cellulose or hemicelluloses could be a major feedstock for fuel ethanol. Xylan and glucomannan are the two major hemicelluloses in wood of angiosperms. However, little is known about the genes and gene products involved in the synthesis of these wood polysaccharides. Using Populus trichocarpa as a model angiosperm tree, we report here a systematic analysis in various tissues of the absolute transcript copy numbers of cellulose synthase superfamily genes, the cellulose synthase (CesA) and the hemicellulose-related cellulose synthase-like (Csl) genes. Candidate Csl genes were characterized for biochemical functions in Drosophila Schneider 2 (S2) cells. Of the 48 identified members, 37 were found expressed in various tissues. Seven CesA genes are xylem specific, suggesting gene networks for the synthesis of wood cellulose. Four Csl genes are xylem specific, three of which belong to the CslA subfamily. The more xylem-specific CslA subfamily is represented by three types of members: PtCslA1, PtCslA3, and PtCslA5. They share high sequence homology, but their recombinant proteins produced by the S2 cells exhibited distinct substrate specificity. PtCslA5 had no catalytic activity with the substrates for xylan or glucomannan. PtCslA1 and PtCslA3 encoded mannan synthases, but PtCslA1 further encoded a glucomannan synthase for the synthesis of (1-->4)-beta-D-glucomannan. The expression of PtCslA1 is most highly xylem specific, suggesting a key role for it in the synthesis of wood glucomannan. The results may help guide further studies to learn about the regulation of cellulose and hemicellulose synthesis in wood.
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