S A Lacks
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Explore the profile of S A Lacks including associated specialties, affiliations and a list of published articles.
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63
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1520
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Recent Articles
1.
Lacks S, Greenberg B
Mol Microbiol
. 2001 Dec;
42(4):1035-45.
PMID: 11737645
Competence for DNA uptake and genetic transformation in Streptococcus pneumoniae is regulated by a quorum-sensing system. A competence-stimulating polypeptide (CSP) is secreted by the bacteria and acts back on the...
2.
Lacks S, Ayalew S, de la Campa A, Greenberg B
Mol Microbiol
. 2000 Mar;
35(5):1089-98.
PMID: 10712690
The chromosomal DpnII gene cassette of Streptococcus pneumoniae encodes two methyltransferases and an endonuclease. One methyltransferase acts on double-stranded and the other on single-stranded DNA. Two mRNAs are transcribed from...
3.
Tran P, Korszun Z, Cerritelli S, SPRINGHORN S, Lacks S
Structure
. 1998 Dec;
6(12):1563-75.
PMID: 9862809
Background: . Methyltransferases (Mtases) catalyze the transfer of methyl groups from S-adenosylmethionine (AdoMet) to a variety of small molecular and macromolecular substrates. These enzymes contain a characteristic alpha/beta structural fold....
4.
Zhang Y, Greenberg B, Lacks S
Gene
. 1997 Jul;
194(2):249-55.
PMID: 9272867
The spi gene of Streptococcus pneumoniae was cloned and its nucleotide sequence was determined. It encodes a protein of 204 amino acids that is homologous to bacterial signal peptidase I...
5.
Zhang Y, Ayalew S, Lacks S
J Bacteriol
. 1997 Jun;
179(12):3828-36.
PMID: 9190796
A single RNase H enzyme was detected in extracts of Streptococcus pneumoniae. The gene encoding this enzyme was cloned and expressed in Escherichia coli, as demonstrated by its ability to...
6.
Lacks S
Microb Drug Resist
. 1997 Jan;
3(4):327-37.
PMID: 9442484
An overview of gene cloning in Streptococcus pneumoniae is presented. The advantages of such cloning, especially for pneumococcal genes, are enumerated. The molecular fate of DNA in transformation of S....
7.
An extended -10 promoter alone directs transcription of the DpnII operon of Streptococcus pneumoniae
Sabelnikov A, Greenberg B, Lacks S
J Mol Biol
. 1995 Jul;
250(2):144-55.
PMID: 7541838
The genetic cassette encoding the DpnII restriction-modification system of Streptococcus pneumoniae gave transcription products of approximately 2.7 and 1.8 kilobases. The larger, mRNA1, covered both of the methylase genes, dpnM...
8.
Kumaresan K, SPRINGHORN S, Lacks S
J Bacteriol
. 1995 Jul;
177(13):3641-6.
PMID: 7601826
Both the lethal and the mutagenic actions of N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) on cells of Streptococcus pneumoniae were greatly potentiated by a component of yeast extract added to the cellular environment. This...
9.
Lacks S, Greenberg B, Sabelnikov A
Gene
. 1995 May;
157(1-2):209-12.
PMID: 7541761
Atypical ribosome-binding sites lacking Shine-Dalgarno sequences appear to be used for translation of the DpnM and DpnA DNA methyltransferases of the DpnII restriction system. Preliminary results indicate that the 5'-endpoints...
10.
Lacks S, Greenberg B, Lopez P
J Bacteriol
. 1995 Jan;
177(1):66-74.
PMID: 7798151
Two genes, sulB and sulC, in a folate biosynthetic gene cluster of Streptococcus pneumoniae were identified after determination of the DNA sequence between two previously reported genes, sulA and sulD,...