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Updated: Jul 4, 2026

High Resolution Quantification of Crystalline Cellulose Accumulation in Arabidopsis Roots to Monitor Tissue-specific Cell Wall Modifications
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Published on: May 10, 2016

Sequential, structural, and phylogenetic study of BRCT module in plants.

Sanjay Kumar Singh1, Swarup Roy Choudhury, Sujit Roy

  • 1Department of Botany, Bose Institute, 93/1 Acharya Prafulla Chandra Road, Kolkata 700 009. India.

Journal of Biomolecular Structure & Dynamics
|July 4, 2008
PubMed
Summary

This study analyzes the Breast Cancer Carboxyl Terminus (BRCT) domain in plants, identifying 25 proteins involved in DNA repair. It explores their sequence, structure, and evolutionary relationships to understand their function in DNA damage response.

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Area of Science:

  • Molecular Biology
  • Genomics
  • Structural Biology

Background:

  • The Breast Cancer Carboxyl Terminus (BRCT) domain is crucial for DNA metabolism and cell cycle regulation.
  • BRCT domains, typically 90-100 amino acids, appear as single or repeated motifs and possess conserved structural features despite low sequence similarity.

Purpose of the Study:

  • To perform an in silico analysis of BRCT domains in the higher plant genome.
  • To understand the sequential, structural, and phylogenetic characteristics of plant BRCT domains.
  • To investigate the structure-function relationships of BRCT domains in plant DNA damage repair.

Main Methods:

  • Database searches to identify BRCT domain-containing proteins.
  • Homology modeling to predict protein structures.
  • Bioinformatic analysis of sequence, structure, and phylogeny.

Main Results:

  • Identified 25 BRCT domain-containing proteins in higher plants.
  • Found that many identified proteins are involved in multiple DNA damage repair pathways.
  • Characterized the sequential, structural, and phylogenetic features of plant BRCT domains.

Conclusions:

  • BRCT domains are integral to DNA damage repair pathways in plants.
  • The study provides insights into the structural and functional roles of BRCT domains in plant DNA repair mechanisms.
  • This research lays the groundwork for further investigation into plant DNA repair and cell cycle regulation.