Oocyte Polarization Is Coupled to the Chromosomal Bouquet, a Conserved Polarized Nuclear Configuration in Meiosis.

The source of symmetry breaking in vertebrate oocytes is unknown.Animal-vegetal oocyte polarity is established by the Balbiani body (Bb), a conserved structure found in all Combs animals examined that contains an aggregate of specific mRNAs, proteins, and organelles.The Bb specifies the oocyte vegetal pole, which is key to forming the embryonic bod

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Divergent Secondary Metabolites and Habitat Filtering Both Contribute to Tree Species Coexistence in the Peruvian Amazon

Little is known about the mechanisms promoting or limiting the coexistence of functionally divergent species in hyperdiverse tropical tree genera.Density-dependent enemy attacks have been proposed to be a major driver for the local coexistence of chemically divergent congeneric species.At the same time, we expect local soil conditions to favor the

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Examining Differences among Primary and Secondary Rivals: Are Fan Perceptions, Behavioral, and Consumption Intentions Influenced by Degree of Rivalry?

The current study investigated how the relevance of a rival influences perceptions and behavioral intentions toward the rival and favorite team.In particular, fans of intercollegiate athletics reported their (1) perceptions of a rival team, (2) willingness to consider committing anonymous acts of aggression toward rival participants and fans, and (

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