Pregled bibliografske jedinice broj: 402460
Mutation accumulation in real branches: fitness assays for genomic deleterious mutation-rate and effect in large-statured plants
Mutation accumulation in real branches: fitness assays for genomic deleterious mutation-rate and effect in large-statured plants // American naturalist, 174 (2009), 163-175 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 402460 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Mutation accumulation in real branches: fitness assays for genomic deleterious mutation-rate and effect in large-statured plants
Autori
Schultz, Stewart ; Scofield, Douglas
Izvornik
American naturalist (0003-0147) 174
(2009);
163-175
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
mutation accumulation; autogamy; geitonogamy; plant crown
Sažetak
The genomic deleterious mutation rate and mean effect are central to the biology and evolution of all species. Large-statured plants such as trees are pre- dicted to have high mutation rates due to mitotic mutation and the absence of a sheltered germ line, but their size and generation time has hindered ge- netic study. We develop and test approaches for estimating deleterious mutation rates and effects from viability comparisons within the canopy of large-statured plants. Our methods, inspired by E.J. Klekowski, are a modification of the classic Bateman-Mukai mutation-accumulation experiment. Within a canopy, cell lin- eages accumulate mitotic mutations independently. Gametes or zygotes produced at more distal points by these cell lineages contain more mitotic mutations than at basal locations, and within-flower selfs contain more homozygous mutations than between-flower selfs. The resulting viability differences allow demonstration of lethal mutation with experiments similar in size to assays of genetic load, and allow estimates of the rate and effect of new mutations with moderate precision and bias similar to that of classic mutation-accumulation experiments in small- statured organisms. These methods open up new possibilities with the potential to provide valuable new insights into the evolutionary genetics of plants.
Izvorni jezik
Engleski
Znanstvena područja
Biologija
POVEZANOST RADA
Projekti:
269-0000000-3174 - EKOLOGIJA I PRAĆENJE STANJA BENTOSKIH ŽIVOTNIH ZAJEDNICA HRVATSKOGA JADRANA
269-0362975-3174 - EKOLOGIJA I PRAĆENJE STANJA BENTOSKIH ŽIVOTNIH ZAJEDNICA HRVATSKOGA JADRANA (Schultz, Stewart, MZOS ) ( CroRIS)
Ustanove:
Sveučilište u Zadru
Profili:
Stewart Schultz
(autor)
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
- MEDLINE
Uključenost u ostale bibliografske baze podataka::
- BIOSIS Previews (Biological Abstracts)