Paper · 407214

Molecular characterization of two beta-lactamase-specifying plasmids isolated from Neisseria gonorrhoeae.

Roberts M and 2 others. J Bacteriol, 1977. Cited by 142 papers, by iCite.

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ConductScience Library. Molecular characterization of two beta-lactamase-specifying plasmids isolated from Neisseria gonorrhoeae. Papers, record 407214. Release papers-2026-11-12-0.1.0, 12 Nov 2026. https://conductscience.org/library/papers/407214

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Paper

PubMed's record of the paper, with iCite's citation figures. No abstract is shown.

Title: Molecular characterization of two beta-lactamase-specifying plasmids isolated from Neisseria gonorrhoeae.; PubMed
Journal: J Bacteriol; PubMed
Year: 1977; PubMed
Publication types: Journal Article, Research Support, U.S. Gov't, P.H.S.; PubMed
PubMed: https://pubmed.ncbi.nlm.nih.gov/407214/; PubMed
DOI: https://doi.org/10.1128/jb.131.2.557-563.1977; PubMed
PMC: https://pmc.ncbi.nlm.nih.gov/articles/PMC235464/; PubMed
The journal: https://conductscience.org/library/journal-index/2985120R; PubMed
Citations, by iCite: 142; iCite
Relative citation ratio, by iCite: 5.93; iCite
Revised in PubMed: 2021-05-26; PubMed

Authors3

The authors in the order PubMed's record lists them, with the ORCID iDs it states.

Order	Author	Forename
1	Roberts M	M
2	Elwell LP	L P
3	Falkow S	S

Source PubMed

Topics15

NLM's MeSH indexing of the paper, its major topics first.

MeSH term	Major
DNA, Bacterial	Major topic
DNA, Circular	Major topic
Drug Resistance, Microbial	Major topic
Extrachromosomal Inheritance	Major topic
Neisseria gonorrhoeae	Major topic
Penicillinase	Major topic
Plasmids	Major topic
R Factors	Major topic
Base Sequence
Cytosine
Escherichia coli
Guanine
Haemophilus influenzae
Nucleic Acid Hybridization
Transformation, Genetic

Source PubMed

Grants0

Each grant PubMed's record writes, matched to the NIH project NIH's grant and paper links name for this paper, and each of those links the record does not write.

None in this release.

Trials0

The trials whose ClinicalTrials.gov record lists the paper, and the trial numbers the paper's PubMed record names.

None in this release.

Comments and corrections0

PubMed's comments and corrections, NLM's own indexing: retractions first, then expressions of concern, errata and updates, and comments last.

None in this release.

References28

The papers the reference list in PubMed's record names, those in our copy of PubMed, in the list's order.

Order	PMID	Title	Journal	Year	In Papers	Source
1	792,710	Transposable genetic elements and plasmid evolution.	Nature	1976	https://conductscience.org/library/papers/792710	PubMed
2	776,704	Structural evolution of bacterial plasmids: role of translocating genetic elements and DNA sequence insertions.	Fed Proc	1976	https://conductscience.org/library/papers/776704	PubMed
3	404,570	Conjugal transfer of R plasmids in Neisseria gonorrhoeae.	Nature	1977	https://conductscience.org/library/papers/404570	PubMed
4	404,964	Plasmid-mediated beta-lactamase production in Neisseria gonorrhoeae.	Antimicrob Agents Chemother	1977	https://conductscience.org/library/papers/404964	PubMed
5	324,394	Characterization of an R-plasmid associated with ampicillin resistance in Shigella dysenteriae type 1 isolated from epidemics.	Antimicrob Agents Chemother	1977	https://conductscience.org/library/papers/324394	PubMed
6	324,388	Plasmid-mediated chloramphenicol resistance in Haemophilus influenzae.	Antimicrob Agents Chemother	1977	https://conductscience.org/library/papers/324388	PubMed
7	4,208,895	Novel method for detection of beta-lactamases by using a chromogenic cephalosporin substrate.	Antimicrob Agents Chemother	1972	https://conductscience.org/library/papers/4208895	PubMed
8	4,214,778	Characterization of plasmid deoxyribonucleic acid from Neisseria gonorrhoeae.	Infect Immun	1974	https://conductscience.org/library/papers/4214778	PubMed
9	60,519	Penicillinase-producing Neisseria gonorrhoeae.	Lancet	1976	https://conductscience.org/library/papers/60519	PubMed
10	60,518	Beta-lactamase-producing, penicillin-resistant gonococcus.	Lancet	1976	https://conductscience.org/library/papers/60518	PubMed

1 to 10 of 28

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Cited by67

The papers in our copy of PubMed whose reference list names this one, newest first. iCite, which reads more sources, counts 142 citations.

PMID	Title	Journal	Year	In Papers	Source
37,436,798	There are three major Neisseria gonorrhoeae β-lactamase plasmid variants which are associated with specific lineages and carry distinct TEM alleles.	Microb Genom	2023	https://conductscience.org/library/papers/37436798	PubMed
30,061,284	Past and Present Perspectives on β-Lactamases.	Antimicrob Agents Chemother	2018	https://conductscience.org/library/papers/30061284	PubMed
24,982,323	Antimicrobial resistance in Neisseria gonorrhoeae in the 21st century: past, evolution, and future.	Clin Microbiol Rev	2014	https://conductscience.org/library/papers/24982323	PubMed
18,841,148	I never met a microbe I didn't like.	Nat Med	2008	https://conductscience.org/library/papers/18841148	PubMed
12,045,242	NadA, a novel vaccine candidate of Neisseria meningitidis.	J Exp Med	2002	https://conductscience.org/library/papers/12045242	PubMed
11,936,257	Resistance to tetracycline, macrolide-lincosamide-streptogramin, trimethoprim, and sulfonamide drug classes.	Mol Biotechnol	2002	https://conductscience.org/library/papers/11936257	PubMed
10,952,602	Identification of the conjugative mef gene in clinical Acinetobacter junii and Neisseria gonorrhoeae isolates.	Antimicrob Agents Chemother	2000	https://conductscience.org/library/papers/10952602	PubMed
10,348,754	Erythromycin-resistant Neisseria gonorrhoeae and oral commensal Neisseria spp. carry known rRNA methylase genes.	Antimicrob Agents Chemother	1999	https://conductscience.org/library/papers/10348754	PubMed
8,891,129	Plasmid-mediated formaldehyde resistance in Escherichia coli: characterization of resistance gene.	Antimicrob Agents Chemother	1996	https://conductscience.org/library/papers/8891129	PubMed
8,698,488	Cloning and characterization of the catalase gene of Neisseria gonorrhoeae: use of the gonococcus as a host organism for recombinant DNA.	Infect Immun	1996	https://conductscience.org/library/papers/8698488	PubMed

1 to 10 of 67

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Genes0

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None in this release.

Drugs0

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None in this release.

Data0

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Data dates

The date of each source this release read.

PubMed: 2026-11-06; PubMed
iCite: 2026-11-05; iCite
PMC's ID file: 2026-11-05; PMC's ID file
NIH RePORTER's grant and paper links: 2026-11-01; NIH RePORTER's grant and paper links
Trials: 2026-11-12
Gene search: 2026-11-11
Pipelines: 2026-09-18

Sources 11

ChEMBL, through Open TargetsCC BY-SA 3.0
ClinicalTrials.govNo license stated
HGNCCC0
iCiteCC BY 4.0
NCBI GenePublic domain (US government)
NIH RePORTER's grant and paper linksPublic domain
Open TargetsCC0 1.0
PMC's ID filePublic domain (US government)
PubMedNLM's terms
PubTator 3Public domain
UniProtCC BY 4.0

Each source's terms

ChEMBL, through Open TargetsCC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
ClinicalTrials.govnone stated
HGNCCC0: https://www.genenames.org/about/license/
iCiteCC BY 4.0
NCBI GeneNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
NIH RePORTER's grant and paper linksPublic domain (NIH RePORTER)
Open TargetsCC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
PMC's ID fileNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
PubMedNLM's terms
PubTator 3Public domain
UniProtCC BY 4.0. UniProt's licence file: "All databases and documents in the UniProt FTP directory may be copied and redistributed freely, without advance permission, provided that this copyright statement is reproduced with each copy." UniProt asks that users cite its latest paper: The UniProt Consortium, UniProt: the Universal Protein Knowledgebase in 2025, Nucleic Acids Research 53:D609-D617, https://doi.org/10.1093/nar/gkae1010. Read on 9 Nov 2026 at https://www.uniprot.org/help/license

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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