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Cited by 288

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

A Cell Plate–Specific Callose Synthase and Its Interaction with Phragmoplastin

Open access
Hong, Zonglie, Delauney, Ashton J., Verma, Desh Pal S.·2001·The Plant Cell

Abstract

Callose is synthesized on the forming cell plate and several other locations in the plant. We cloned an Arabidopsis cDNA encoding a callose synthase (CalS1) catalytic subunit. The CalS1 gene comprises 42 exons with 41 introns and is transcribed into a 6.0-kb mRNA. The deduced peptide, with an approximate molecular mass of 226 kD, showed sequence homology with the yeast 1,3-β-glucan synthases and is distinct from plant cellulose synthases. CalS1 contains 16 predicted transmembrane helices with the N-terminal region and a large central loop facing the cytoplasm. CalS1 interacts with two cell plate–associated proteins, phragmoplastin and a novel UDP-glucose transferase that copurifies with the CalS complex. That CalS1 is a cell plate–specific enzyme is demonstrated by the observations that the green fluorescent protein–CalS1 fusion protein was localized at the growing cell plate, that expression of CalS1 in transgenic tobacco cells enhanced callose synthesis on the forming cell plate, and that these cell lines exhibited higher levels of CalS activity. These data also suggest that plant CalS may form a complex with UDP-glucose transferase to facilitate the transfer of substrate for callose synthesis.

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Metadata

Authors
Hong, Z., Delauney, A. J., & Verma, D. P. S.
Venue
The Plant Cell
Published
2001-04-01
Volume
13
Issue
4
Pages
755-768
ISSN
  • 1040-4651 (ISSN-L)
  • 1532-298X
OpenAlex
W2153556614
Cited by
288
References
49
FWCI
19.87
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A Cell Plate–Specific Callose Synthase and Its Interaction with Phragmoplastin. https://app.cochat.ai/papers/10.1105/tpc.13.4.755
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Hong, Z., Delauney, A. J., & Verma, D. P. S. (2001). A Cell Plate–Specific Callose Synthase and Its Interaction with Phragmoplastin. The Plant Cell. https://doi.org/10.1105/tpc.13.4.755

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