Results 131 to 140 of about 3,889 (159)

New molecular probes reveal callose structural diversity in plant cell wall microdomains

Benitez-Alfonso Y, Amsbury S, Yeshvekar R, Marcus S, Barber J, German L, Ross J, Manfield I, Knox JP, Willats W, Lelenaite  , Bayer E, Moraes T, Reagan B, Czymmek K, Wickramanayake J, Klebanovych A, Burch-Smith T.   +17 more
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A comprehensive view on organ-specific callose synthesis in wheat (Triticum aestivum L.): glucan synthase-like gene expression, callose synthase activity, callose quantification and deposition

Plant Physiology and Biochemistry, 2006
Callose ((1,3)-beta-glucan) is important during basic developmental processes of plants, but only little is known about the regulation of callose biosynthesis on molecular level. Growing evidence indicates that glucan synthase-like (GSL) genes in higher plants are involved in callose synthesis.
Christian Voigt, Wilhelm Schaefer
exaly   +3 more sources

A novel callose synthase from pollen tubes of Nicotiana

Planta, 1993
Pollen-tube cell walls are unusual in that they are composed almost entirely of callose, a (1,3)-β-linked glucan with a few 6-linked branches. Regulation of callose synthesis in pollen tubes is under developmental control, and this contrasts with the deposition of callose in the walls of somatic plant cells which generally occurs only in response to ...
Bačić Antony
exaly   +2 more sources

Plasmolysis treatment enhances the expression of callose synthase gene in zygotic embryos of Eleutherococcus senticosus

Journal of Forestry Research, 2010
In previous study we reported that pretreatment with plasmolysis enhanced somatic embryo formation in hypocotyls of Eleutherococcus senticosus. In the present study, the expression level of callose synthase gene in embryos of E. senticosus in response to 2,4-D, sucrose and mannitol treatments was analyzed by RT-PCR.
Hu Xilin, Yan An, De-an Xia, Xiang-ling You   +3 more
exaly   +2 more sources

An Arabidopsis callose synthase

Plant Molecular Biology, 2002
Beta-1,3-glucan polymers are major structural components of fungal cell walls, while cellulosic beta-1,4-glucan is the predominant polysaccharide in plant cell walls. Plant beta-1,3-glucan, called callose, is produced in pollen and in response to pathogen attack and wounding, but it has been unclear whether callose synthases can also produce cellulose ...
Ostergaard, Lars, Petersen, Morten, Mattsson, Ole, Mundy, John   +3 more
openaire   +3 more sources

Plant callose synthase complexes

Plant Molecular Biology, 2001
Synthesis of callose (beta-1,3-glucan) in plants has been a topic of much debate over the past several decades. Callose synthase could not be purified to homogeneity and most partially purified cellulose synthase preparations yielded beta-1,3-glucan in vitro, leading to the interpretation that cellulose synthase might be able to synthesize callose ...
D P, Verma, Z, Hong
openaire   +2 more sources

PbrCalS5, a callose synthase protein, is involved in pollen tube growth in Pyrus bretschneideri

Planta, 2022
Identification of CalS genes in seven Rosaceae species and functional characterization of PbrCalS5 in pear pollen tube growth by regulating callose deposition. Callose exists widely in angiosperms and has significant functions in a range of developmental processes. Callose is synthesized by callose synthase (CalS).
Peng Cao, Chao Tang, Xiao Wu, Ming Qian, Shouzheng Lv, Hongru Gao, Xin Qiao, Guodong Chen, Peng Wang, Shaoling Zhang, Juyou Wu   +10 more
openaire   +2 more sources

Expression of Arabidopsis callose synthase 5 results in callose accumulation and cell wall permeability alteration

Plant Science, 2012
Callose is the major polysaccharide present in the callose wall of developing microspores and the growing pollen tube wall. It is also an essential component of other specialized cell walls and its synthesis can be induced by pathogen infection, wounding and environmental cues.
Bo, Xie, Yunfei, Deng, Masahiro M, Kanaoka, Kiyotaka, Okada, Zonglie, Hong   +4 more
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Loss of a Callose Synthase Results in Salicylic Acid-Dependent Disease Resistance

Science, 2003
Plants attacked by pathogens rapidly deposit callose, a β-1,3-glucan, at wound sites. Traditionally, this deposition is thought to reinforce the cell wall and is regarded as a defense response. Surprisingly, here we found that powdery mildew resistant 4 ( pmr4
Marc T, Nishimura, Monica, Stein, Bi-Huei, Hou, John P, Vogel, Herb, Edwards, Shauna C, Somerville   +5 more
openaire   +2 more sources