Linked Life Data

10340470

Source:http://linkedlifedata.com/resource/pubmed/id/10340470

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1999-7-9
pubmed:abstractText
The restriction maps of the 20 kb Amy region of Drosophila melanogaster in Korean populations were surveyed from 27 isogenic second chromosome lines. A subset of these populations were also scored for isozyme type and adult enzyme activity of alpha-amylase. Among 34 kinds of restriction site variations that were observed in the 20 kb region surrounding the two transcriptional units of the duplicated Amy locus, nine were polymorphic (26.5%). The low frequencies at which each of the large insertions was found are consistent with earlier reports of variation in other loci. Restriction site variation in Korean populations provided an estimated heterozygosity per nucleotide pair of 0.007. Three pairwise comparisons showed relatively high levels of linkage disequilibria. The enzyme activity of the Chounan population showed no significant difference compared with that of the Pusan population, and the activity of heterozygotes was higher than that of Amy1. Lines bearing insertion/deletion exhibited relatively low enzyme activities. All lines examined showed the duplication of Amy transcriptional units that were highly conserved, and the manner of concerted evolution.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1016-8478
pubmed:author
pubmed:issnType
Print
pubmed:day
30
pubmed:volume
9
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
158-65
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Study on genetic variation and DNA polymorphism for alpha-amylase gene of D. melanogaster in Korea.
pubmed:affiliation
Department of Science Education, College of Education, Ewha Womans University, Seoul, Korea. sjkang@mm.ewha.ac.kr
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't