Behavior biology bird conservation embryology genetics phylogeny reproductive selection sexual
Predicting transmembrane protein topology with a hidden Markov model: Application to complete genomes. All OR genes were mapped to the corresponding genomic sequences. The amino acid sequences of intact OR genes were used for the construction of a multi-species phylogenetic tree see below. Discusses sexual selection of ultraviolet and structural signals; melanins and carotenoids as feather colorants and signals; sexual selection and auditory signaling; odors and chemical signaling; sexual dimorphism; sexual selection, signal selection and the handicap principle; courtship and copulation; sexual conflict and its implications for fitness; intra- and extra-pair paternity; parental care including cooperative breeding ; brood parasitism in birds; applications of reproductive biology to bird conservation and population management; embryogenesis and development; molecular genetics of avian sex determination and gonadal development. Sever April 15, Surprisingly, in-silico mining of the first draft of the chicken Gallus gallus genome release February revealed a very large gene family encoding putative ORs [ 12 - 14 ].
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Reproductive Biology and Phylogeny of Birds, Part B: Sexual Selection, Behavior, Conservation, Embryology and Genetics
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Comparison of the numbers of intact OR genes, pseudogenes and partial OR genes estimated from the chicken Gallus gallus genome. Nevertheless, evidence is accumulating that songbirds use their sense of smell in a variety of contexts [ 4 , 6 , 66 ]. Additional file 3: Positively selected codons. It is used to detect food, conspecifics, mates, as well as threats.
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A comparison of reptilian and avian olfactory receptor gene repertoires: Species-specific expansion of group γ genes in birds
Note that at the time of our analysis, the green anole genome consisted of 7, 'scaffold' sequences. Our data supports recent evidence that avian olfactory ability may be better developed than previously thought. It is reasonable to assume that gene duplications occurred in the bird lineages after the reptile-bird divergence, possibly as an adaptation to new ecological niches and new odorous environments [ 39 ].
Conservation Land Management. Reproductive Biology and Phylogeny of Birds, Part B: Sexual Selection, Behavior, Conservation, Embryology and Genetics 1st Edition Barrie G M Jamieson January 02, The second part of volume 6 discusses sexual selection of ultraviolet and structural signals; melanins and carotenoids as feather colorants and signals; sexual selection and auditory signaling; odors and chemical signaling; sexual dimorphism; sexual selection, signal selection and the handicap Additional file 2: Nucleotide sequences of pseudogenes. Watch next simone foxy