Browsing Biology by Title
Now showing items 56-75 of 1310
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Acute effects of fine particulate air pollution on ST segment height: A longitudinal study
(2010)Background The mechanisms for the relationship between particulate air pollution and cardiac disease are not fully understood. Air pollution-induced myocardial ischemia is one of the potentially important mechanisms. ... -
ADAMTS9 IS NECESSARY FOR THE SEXUAL DEVELOPMENT OF FEMALE ZEBRAFISH
(East Carolina University, 2018-12-10)The ovary is a unique organ as it must cyclically alter its structure to accommodate the growth, development, and release of oocytes. The processes of oogenesis and ovulation requires structural modifications made to the ... -
Adaptation in a Changing World: Evolutionary mechanisms of salt tolerance in a coastal amphibian
(East Carolina University, 2018-07-20)In order to predict evolutionary outcomes of environmental change on populations in nature, we need an improved understanding of the biological mechanisms that affect whether organisms will adapt to a changed environment. ... -
Adaptive evolution of genes underlying schizophrenia
(East Carolina University, 2007-11-22)Schizophrenia poses an evolutionary-genetic paradox because it exhibits strongly negative fitness effects and high heritability, yet it persists at a prevalence of approximately 1% across all human cultures. Recent theory ... -
Adaptive responses to salinity stress across multiple life stages in anuran amphibians
(2017-08-01)Background In many regions, freshwater wetlands are increasing in salinity at rates exceeding historic levels. Some freshwater organisms, like amphibians, may be able to adapt and persist in salt-contaminated wetlands by ... -
Algal genes in aplastidic eukaryotes are not necessarily derived from historical plastids
(2012-07)In photosynthetic eukaryotes, many genes were transferred from plastids or algal endosymbionts to nuclear genomes of host cells. These transferred genes are often considered genetic footprints of plastids. However, genes ... -
Alkaloid defenses of co-mimics in a putative Müllerian mimetic radiation
(2014)Background Polytypism in aposematic species is unlikely according to theory, but commonly seen in nature. Ranitomeya imitator is a poison frog species exhibiting polytypic mimicry of three congeneric model species (R. ... -
Alteration of In Vivo Cellulose Ribbon Assembly by Carboxymethylcellulose and Other Polysaccharides
(East Carolina University, 1982)In vivo cellulose ribbon assembly by the Gram-negative bacterium Acetobacter xylinum can be altered by incubation in carboxymethylcellulose (CMC), a negatively charged water-soluble cellulose derivative, and also by ...