ArticlePloS one2018
Biochemical characterization of RecBCD enzyme from an Antarctic Pseudomonas species and identification of its cognate Chi (χ) sequence.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 14 citations in OpenAlex.
- Gabija restricts phage circularization and DNA replication.Cell host & microbe · 2026Article
- To Beet or Not (Just) to Beet: Ecology, Virulence and Genomic Insights Into the Leaf Spot Disease Causative Pseudomonas syringae pv. aptata.Molecular plant pathology · 2026Review
- It's not me, it's you: Anti-phage nuclease specificity inside a bacterium.PLoS pathogens · 2026Article
- Gabija restricts phages that antagonize a conserved host DNA repair complex.bioRxiv : the preprint server for biology · 2025Article
- Lambdoid phages with abundant Chi recombination hotspots reflect diverse viral strategies for recombination-dependent growth.Genome research · 2025Article
- The Role of SF1 and SF2 Helicases in Biotechnological Applications.Applied biochemistry and biotechnology · 2024Review
- A type II toxin-antitoxin system is responsible for the cell death at low temperature in Pseudomonas syringae Lz4W lacking RNase R.The Journal of biological chemistry · 2024Article
- RNase R vs. PNPase: selecting the best-suited exoribonuclease for environmental adaptation.Extremophiles : life under extreme conditions · 2024Review
- Chi hotspot Control of RecBCD Helicase-nuclease: Enzymatic Tests Support the Intramolecular Signal-transduction Model.Journal of molecular biology · 2024Article
- RecBCD enzyme: mechanistic insights from mutants of a complex helicase-nuclease.Microbiology and molecular biology reviews : MMBR · 2023Review
- RecBCD enzyme and Chi recombination hotspots as determinants of self vs. non-self: Myths and mechanisms.Advances in genetics · 2022Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pseudomonas syringae Lz4W RecBCD enzyme, RecBCDPs, is a trimeric protein complex comprised of RecC, RecB, and RecD subunits. RecBCD enzyme is essential for P. syringae growth at low temperature, and it protects cells from low temperature induced replication arrest. In this study, we show that the RecBCDPs enzyme displays distinct biochemical behaviors. Unlike E. coli RecBCD enzyme, the RecD subunit is indispensable for RecBCDPs function. The RecD motor activity is essential for the Chi-like fragments production in P. syringae, highlighting a distinct role for P. syringae RecD subunit in DNA repair and recombination process. Here, we demonstrate that the RecBCDPs enzyme recognizes a unique octameric DNA sequence, 5'-GCTGGCGC-3' (ChiPs) that attenuates nuclease activity of the enzyme when it enters dsDNA from the 3'-end. We propose that the reduced translocation activities manifested by motor-defective mutants cause cold sensitivity in P. syrinage; emphasizing the importance of DNA processing and recombination functions in rescuing low temperature induced replication fork arrest.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.