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Article

The origin and evolution of variable-region helices in V4 and V7 of the small-subunit ribosomal RNA of branchiopod crustaceans.

Molecular biology and evolution - 1 Nov 1998

Crease T J, Taylor D J

Abstract excerpt

We sequenced the V4 and V7 regions of the small-subunit ribosomal RNA (SSU rRNA) from 38 species of branchiopod crustaceans (e.g., Artemia, Daphnia, Triops) representing all eight extant orders. Ancestral large-bodied taxa in the orders Anostraca, Notostraca, Laevicaudata, and Spinicaudata (limnadiids and cyzicids) possess the typical secondary structure in these regions, whereas the spinicaudatan Cyclestheria...

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PMID: 12572607
DOI: 10.1093/oxfordjournals.molbev.a025871

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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