2 edition of Study on species hybridization within the genus Abies found in the catalog.
Study on species hybridization within the genus Abies
|LC Classifications||QK494.5.P66 K66 1985|
|The Physical Object|
|Pagination||127 p. :|
|Number of Pages||127|
|LC Control Number||86205598|
Bacteria and archaea make up most of natural diversity but the mechanisms that underlie the origin and maintenance of prokaryotic species are poorly understood. We investigated the speciation history of the genus Salmonella, an ecologically diverse bacterial lineage, within which S. enterica subsp. enterica is responsible for important human food-borne infections. Understanding phylogenetic relationships among taxa is key to designing and implementing comparative analyses. The genus Drosophila, which contains over species, is one of the most important model systems in the biological sciences. For over a century, one species in this group, Drosophila melanogaster, has been key to studies of animal development and genetics, .
Hybridization data. Within the genus Bos, hybrids form quite readily. Domestic cattle of European descent (Bos taurus, 2n = 60) hybridize with Indian cattle, or the zebu, (B. indicus, 2n = 60) to form fertile offspring so that the latter is sometimes considered a subspecies of the former (i.e. B. taurus indicus). Ninety-three species represented by more t insects galls have been available for this analysis of the genus Cynips and these have offered an opportunity for studying the nature of species, individual variation, mutation and hybridization in nature, and the factors affecting the origin of species.
Genus Monochamus Dejean, includes about species grouped into 28 subgenera. Most of the species occur in the Holarctic region. In the Western Palaearctic region, there are nine species and in Europe there are five species: Monochamus galloprovincialis (Olivier, ), Monochamus saltuarius (Gebler, ), Monochamus sartor (F., ), Monochamus sutor (L., ), and Monochamus. The last two species were once considered a single species, illustrating how species boundaries may change with increased scientific knowledge. Each species is placed within a single genus. This is a hypothesis that the species is more closely related to other species within its genus than to species .
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Study on species hybridization within the genus Abies. Author(s): Kormuthacek˜ák, A. Author Affiliation: Arboretum Mlyňany, Institute of Dendrobiology of the Centre of Biologic-Ecological Sciences of the Slovak Academy of Sciences, 52 Slepčany, by: Buy Study on species hybridization within the genus Abies (Acta dendrobiolgica) by Kormutak, Andrej (ISBN:) from Amazon's Book Store.
Everyday low prices and free delivery on eligible : Andrej Kormutak. Klaehn FU, Winieski JA () Interspecific hybridization in the genus Abies. Silvae Genet – Google Scholar Kormutak A () Study on species hybridization within the genus by: 9.
Hill Book Company, Inc., New York-Toronto Study on species hybridization within the genus. Abies. Veda, Bratislava (Abies hybrids) methods. A proteomic study was.
In the former Czecho-Slovakia, there has been a long tradition in the study of interspecific hybridization within the genus Abies (kAntor and chira, ;kormuťák, ;grEguss, ; JAnEčEk. Due to its economic importance, the risks of possible hybridization with introduced Mediterranean Abies species (Kormut’ák, ), the threat of global climate change, and the longtime use of natural regeneration for stand management which makes autochtony of most populations unquestionable, an in situ Gene Resource Conservation Network was started for Abies alba in France.
Abies, the second largest genus of Pinaceae, consists of approximately Study on species hybridization within the genus Abies book species occurring in the north temperate us molecular phylogenetic studies improved our understanding of relationships within the genus, but were limited by relying on only DNA sequence data from single genome and low taxonomic sampling.
Abstract. Range expansion caused by climate oscillations in the past probably promoted morphological radiation in a few plant groups. In this study, we aim to test this hypothesis through phylogeographical analysis of the cold-tolerant fir genus (Abies) in the Qinghai-Tibet Plateau (QTP) and Himalayas, where it comprises 12 described examined sequence variation in two maternally.
In the Grafrath plantations, from to35 different hybrid combinations have been obtained, using 10 different father species. Investigations on pollen revealed new facts about morphology and size, e.g.
pollen of A. veitchii can be distinguished from all others investigated by its smallness. Many combinations showed marked hybrid vigour, e.g. veitchii X A. alba, A. concolor X A. Nineteen natural Mediterranean fir populations, belonging to eight species and to one natural hybrid (A.
×borisii-regis), were investigated by starch and polyacrylamide gel electrophoresis. A total of 31 alleles was scored at eight loci (IDH-B, ACP-A, PER-B, 6PGD-A, 6PGD-B, MNR-B, PGI-B, PGM-A.
Great variation was observed in the heterozygosity among the population studied and ranged from 0. Swedish tree breeders have been the most active in this field, crossing native races with continental races. Their preliminary results indicate that a great expansion of this within-species hybridization would be productive.
Chapter 3. Species hybridization is a very interesting subject. Background. Natural hybridization and introgression can play an important role in evolution, e.g. by formation of new species or increasing genetic variation within species .Hybridization is a quite common phenomenon in many organismal groups, particularly in plants .However, the occurrence of natural hybridization is not universal, but concentrated in a small fraction of plant families.
In biology, a species (/ ˈ s p iː ʃ iː z / ()) is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual ways of defining species include.
Hybridization is not always limited to two species; often multiple species are interbreeding. In birds, there are numerous examples of species that hybridize with multiple other species. The advent of genomic data provides the opportunity to investigate the ecological and evolutionary consequences of multispecies hybridization.
The interactions between several hybridizing species. Within genus Abies, the species of sections Momiand Balsamea were distinguished by the nature of the hypodermal layer and the position of resin ducts.
Abies firma and A. holophylla both have a continuous single-layered hypodermis whereas A. koreana and A. nephrolepis lack a continuous hypodermis, having instead isolated cells or groups of four.
1 day ago Hybridization is a process through which there is interbreeding of individuals from two genetically distinct populations or species.
It was estimated that at least 25% of plant species, mostly the youngest species, were involved in hybridization and potential introgression with other species. Although 16S rRNA gene sequence analysis is employed most often for the definitive identification of Nocardia species, alternate molecular methods and polymorphisms in other gene targets have also enabled species determinations.
We evaluated a combined Nocardia PCR-based reverse line blot (RLB) hybridization assay based on 16S and 16SS rRNA gene spacer region polymorphisms to identify. Here, we report a case study of genetic divergence between two fir species, Abies chensiensis Tieghem and A.
fargesii Franchet, on the basis. In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual s are not always intermediates between their parents (such as in blending inheritance), but can show hybrid vigour, sometimes growing larger or taller than either concept of a hybrid is interpreted.
TAXONOMY: The scientific name of grand fir is Abies grandis (Dougl.) Lindl. (Pinaceae) [,].Grand fir hybridizes with white fir (A. concolor) [,45].A broad zone of intergraded grand × white fir populations occurs from northeastern Washington and Oregon south to northern California and east to west-central Idaho .
One example of a plant genus containing many species is Rosa, which contains more than species of contrast, the genus Ginkgo is monotypic, containing only the common ginkgo (also called the maidenhair tree).
Among animals, for example, the species of horses and zebras form the genus Equus, whereas the hawksbill sea turtle is the only member of the genus Eretmochelys.Additionally, the promiscuity of the genus allows for an understanding of the genome dynamics within and between ploidy levels at many different evolutionary distances.
Helianthus is an excellent system to study how hybridization can be used to explore the utilization of wild germplasm in crop improvement and how it led to the creation of.A genus is more specific than a family, but less specific than a species. Scientific names are made up of the genus name followed by the species name.
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