Linked Life Data

8673263

Source:http://linkedlifedata.com/resource/pubmed/id/8673263

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1996-8-13
pubmed:databankReference
pubmed:abstractText
The nucleotide sequence of the mitochondrial ND2, COI, COII, ATPase8, srRNA and nine tRNA genes have been sequenced from two individual of the meadow grasshopper Chorthippus parallelus. Comparisons are made to other insects for which the same regions are completely sequenced. Percentage A + T is found to be relatively low in C. parallelus though consistent with that of the other Orthopteran, Locusta migratoria. The relative number of substitutions observed in the different protein-coding genes was analysed between pairs of insect species sharing different levels of relatedness. A clear change in this rate was observed between the within-genus and between-genera comparisons. This change is interpreted in terms of the functional constraints acting on these four different genes. The patterns seem to result from an early saturation of COI and COII genes with synonymous substitutions, and a tolerance of ND2 and ATPase8 function to high levels of amino acid replacements. This analysis highlights a need for further sequence studies and comparisons between taxa of different levels of divergence in order to understand the patterns of mtDNA evolution on which many evolutionary investigations are based.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0962-1075
pubmed:author
pubmed:issnType
Print
pubmed:volume
5
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
127-39
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
The sequence and structure of the meadow grasshopper (Chorthippus parallelus) mitochondrial srRNA, ND2, COI, COII ATPase8 and 9 tRNA genes.
pubmed:affiliation
Population Biology Sector, School of Biological Sciences, University of East Anglia, Norwich.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't