ArticleJournal of bacteriology2009
spr1630 is responsible for the lethality of clpX mutations in Streptococcus pneumoniae.
Article in Journal of bacteriology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
10 citing papers in PubMed, 16 citations in OpenAlex.
- Comparative essentialome analysis of sixMicrobial genomics · 2026Article
- A toxin/antitoxin system targeting the replication sliding-clamp induces competence in Streptococcus pneumoniae.PLoS genetics · 2025Article
- The ClpXP protease and the ClpX unfoldase control virulence, cell division, and autolysis inMicrobiology spectrum · 2025Article
- A bacterial pan-genome makes gene essentiality strain-dependent and evolvable.Nature microbiology · 2022Article
- Staphylococcus aureus ClpX localizes at the division septum and impacts transcription of genes involved in cell division, T7-secretion, and SaPI5-excision.Scientific reports · 2019Article
- Deciphering the distance to antibiotic resistance for the pneumococcus using genome sequencing data.Scientific reports · 2017Article
- Characterization of pneumococcal Ser/Thr protein phosphatase phpP mutant and identification of a novel PhpP substrate, putative RNA binding protein Jag.BMC microbiology · 2016Article
- Temporal Regulation of the Transformasome and Competence Development inFrontiers in microbiology · 2016Article
- Effect of nonheme iron-containing ferritin Dpr in the stress response and virulence of pneumococci.Infection and immunity · 2014Article
- A bacterial toxin inhibits DNA replication elongation through a direct interaction with the β sliding clamp.Molecular cell · 2013Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Clp protease ATPase subunit and chaperone ClpX is dispensable in some bacteria, but it is thought to be essential in others, including streptococci and lactococci. We confirm that clpX is essential in the Rx strain of Streptococcus pneumoniae but show that the requirement for clpX can be relieved by point mutations, frame shifts, or deletion of the gene spr1630, which is found in many isolates of S. pneumoniae. Homologs occur frequently in Staphylococcus aureus as well as in a few strains of Listeria monocytogenes, Lactobacillus johnsonii, and Lactobacillus rhamnosus. In each case, the spr1630 homolog is accompanied by a putative transcriptional regulator with an HTH DNA binding motif. In S. pneumoniae, the spr1630-spr1629 gene pair, accompanied by a RUP element, occurs as an island inserted between the trpA and cclA genes in 15 of 22 sequenced genomes.
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Registered trials
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.