Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2000-3-28
pubmed:abstractText
Neurospora mitochondrial plasmids are ubiquitous in natural populations, yet many of them are lethal to their host strains or seem to impose a molecular genetic load. Five pairs of strains of Neurospora tetrasperma and N. crassa with and without kalilo-like plasmids were tested under a variety of situations. The purpose was to find possible beneficial effects of plasmids that might offset their disadvantages. We found that, in all cases tested, plasmids conferred an advantage to growth at temperatures close to the top of the range for this fungus. Also, the plasmids improved fertility, as measured by perithecial production. Negative results were obtained for heavy metal resistance and ascospore germination. The results generate the hypothesis that plasmids may have adaptive significance to their hosts.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0147-619X
pubmed:author
pubmed:copyrightInfo
Copyright 2000 Academic Press.
pubmed:issnType
Print
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
176-80
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Possible benefits of kalilo plasmids to their Neurospora hosts.
pubmed:affiliation
Department of Botany, University of British Columbia, Vancouver, British Columbia, V6T 1Z4, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't