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Article

Diversity and depth-specific distribution of SAR11 cluster rRNA genes from marine planktonic bacteria.

Applied and environmental microbiology - 1 Jan 1997

Field K G, Gordon D, Wright T, Rappé M, Urback E, Vergin K, Giovannoni S J

Abstract excerpt

Small-subunit (SSU) ribosomal DNA (rDNA) gene clusters are phylogenetically related sets of SSU rRNA genes, commonly encountered in genes amplified from natural populations. Genetic variability in gene clusters could result from artifacts (polymerase error or PCR chimera formation), microevolution (variation among rrn copies within strains), or macroevolution (genetic divergence correlated with long-term...

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Identifiers

PMID: 8979340
DOI: 10.1128/aem.63.1.63-70.1997
PMCID: PMC168303

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