منابع مشابه
Macrobrachium indianum (Decapoda: Palaemonidae), a new species of hill stream prawn from Pambar River, Kerala, India.
Macrobrachium indianum new species is described from the Pambar River, Kerala, S. India. The species shares certain characters with M. gurudeve Jayachandran & Raji, 2004, M. bombayense Almelker & Sankolli, 2006 and M. kulkarnii Almelker & Sankolli, 2006, while it differs remarkably from these three species in distinctive diagnostic characters: rostral formula 7-8/3-4 with 1 postorbital teeth, o...
متن کاملWhen a commensal becomes a pathogen.
known etiology, affecting persons worldwide. Because the etiologies remain enigmatic, the ability to identify effective therapeutics remains elusive. Sarcoidosis immunology and pathology suggest that infectious agents may have a role in its pathogenesis. Molecular analysis of pathologic tissues remains a viable mechanism for identifying etiologic agents of microbial origin. In this issue of Sar...
متن کاملPolynesian chickens in the New World: a detailed application of a commensal approach
In 2007, based on direct radiocarbon dates, we presented evidence that chickens were introduced to Chile before Europeans first made contact with the New World. The pre-Columbian age of the chicken bones and their mtDNA affinities with one of two prehistoric Pacific chicken haplogroups (E) led us to conclude that Polynesia was the most likely origin for these pre-Columbian chickens. Subsequentl...
متن کاملDrosophila melanogaster's history as a human commensal
evidence of reproductive isolation as a result of their differing seasonal preferences. The researchers used nuclear and mitochondrial sequence data to check the phylogenetic relationships of the summer-developing processionary moths with their winter-developing counterparts. They also used microsatellite markers to compare the two populations and monitored adult fl ight behaviour to determine ...
متن کاملWhere’s Waldo? A new commensal species, Waldo arthuri (Mollusca, Bivalvia, Galeommatidae), from the Northeastern Pacific Ocean
A galeommatid bivalve mollusk, representing a new species, is described from off the coasts of California and Vancouver Island, British Columbia. The new bivalve has a commensal relationship with the heart urchin, Brisaster latifrons. It has been observed crawling between the oral spines of this urchin, frequently near the peristome. The bivalve has been recorded from 80 (Vancouver Island) to 4...
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ژورنال
عنوان ژورنال: Annals and Magazine of Natural History
سال: 1920
ISSN: 0374-5481
DOI: 10.1080/00222932008632350