Eating down the food chain: generalism is not an evolutionary dead end for herbivores
نویسندگان
چکیده
منابع مشابه
Phylogenetic evidence from freshwater crayfishes that cave adaptation is not an evolutionary dead‐end
Caves are perceived as isolated, extreme habitats with a uniquely specialized biota, which long ago led to the idea that caves are "evolutionary dead-ends." This implies that cave-adapted taxa may be doomed for extinction before they can diversify or transition to a more stable state. However, this hypothesis has not been explicitly tested in a phylogenetic framework with multiple independently...
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Full genome sequences of 20 strains of Clostridium chauvoei, the etiological agent of blackleg of cattle and sheep, isolated from four different continents over a period of 64 years (1951-2015) were determined and analyzed. The study reveals that the genome of the species C. chauvoei is highly homogeneous compared to the closely related species C. perfringens, a widespread pathogen that affects...
متن کاملDown the food chain
important role in developing new treatments for fungal diseases such as athlete’s foot. “Fungi have a different mechanism from that of animals to produce lysine,” the reporter explained, “so if a drug can be developed that can disable the gene, it should be possible to treat people for fungal diseases without affecting their ability to make lysine”. The writer was presumably unaware that lysine...
متن کاملLife-history specialization was not an evolutionary dead-end in Pyrenean cave beetles.
Research on subterranean organisms has focused on the colonization process and some of the associated phenotypic changes, but little is known on the long-term evolutionary dynamics of subterranean lineages and the origin of some highly specialized complex characters. One of the most extreme modifications is the reduction of the number of larval instars in some Leptodirini beetles from the ances...
متن کاملCorrigendum: Clostridium chauvoei, an Evolutionary Dead-End Pathogen
[This corrects the article on p. 1054 in vol. 8, PMID: 28649238.].
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ژورنال
عنوان ژورنال: Ecology Letters
سال: 2018
ISSN: 1461-023X,1461-0248
DOI: 10.1111/ele.12911