The periodic al,bino mutant (apap) of Xenopus in which the development of melanophores is impaired, is further reported here to possess an aberrant pattern of iridophore differentiation. The development of mutant and wild-type neural crest explants isolated in vesicles derived from tissues from identical and different genotypes was examined to determine if the mutant effect resides in the pigme...

Wild soybean, the direct progenitor of cultivated soybean, inhabits a wide distribution range across the mainland of East Asia and the Japanese archipelago. A multidisciplinary approach combining analyses of population genetics based on 20 nuclear microsatellites and one plastid locus were applied to reveal the genetic variation of wild soybean, and the contributions of geographical, environmen...

Using digital technology the municipal differentiation of sustainable development subject Russia - Samara region was investigated. The rating districts according to data environmental sustainability compiled. most favorable environment characterized by geographically located on periphery regardless natural and climatic conditions. Environmental risks threats developed in territories adjacent la...