Tsuga caroliniana Engelm. (Carolina hemlock) is a foundation species, so it defines a stand and its specific traits control ecosystem dynamics. This study presents an investigation into the relationships between Tsuga...
Parola chiave:
Carolina hemlock, Carolina hemlock stands, composition and structure, southern Appalachian Mountains, Tsuga caroliniana e Tsuga caroliniana stands
Soggetto:
Carolina hemlock, Mountains -- Appalachian Region, Southern e Geomorphology
Animals colonizing urban habitats are often noticeably bold in the presence of humans, and such boldness is typically thought to arise as urban individuals habituate to the repeated presence of humans. However, recent studies...
Parola chiave:
behavioral syndrome, territoriality, testosterone e urban
Soggetto:
Song sparrow -- Behavior -- North Carolina, Song sparrow -- Territoriality -- North Carolina, Song sparrow -- Habitat -- North Carolina e Aggressive behavior in animals -- North Carolina
A behavioral syndrome is the term used to describe suites of correlated behaviors in animals. One behavioral syndrome that has been the focus of many studies is the correlation of aggressive and bold behaviors. Previous studies...
Parola chiave:
Aggression, Behavioral syndrome, Boldness, Rural, Song sparrow e Urban
Soggetto:
Song sparrow -- Behavior e Aggressive behavior in animals
Cryptococcus neoformans is a spherical, encapsulated, basidiomycetous yeast and the causative agent of cryptococcosis, a form of meningitis that affects the central nervous system of immunocompromised individuals...
Parola chiave:
Argonaute, Cryptococcus neoformans, Dicer, RNA Interference e Virulence
Soggetto:
Cryptococcus neoformans, Cryptococcus e Genetic regulation
Cell viability of superoxide dismutase knockout Escherichia coli strains using oxidative stress assays was determined for three strains: Periplasmic knockout (AS393), cytoplasmic knockout (PN134), and periplasmic/cytoplasmic...
Soggetto:
Superoxide dismutase, Escherichia coli -- Growth, Paraquat e Xanthine oxidase
The spruce-fir moss spider (Microhexura montivaga) is a federally endangered species of spider found only in the high-elevation Southern Appalachian spruce-fir forests on North-facing slopes underneath moss mats. Despite this...
Several classes of bactericidal antibiotics increase oxidative stress in bacteria by upregulating the production of reactive oxygen species. Reactive oxygen species are also produced by host immune cells as protection against...
Parola chiave:
fluorescence, oxidative stress e Superoxide dismutase
Differences in environments have the potential to affect the behaviors of animals within these areas. In comparison to rural environments, urban environments provide a warmer microhabitat, different predation risk levels, more...
Parola chiave:
Melospiza melodia, migration, partial migration, song sparrow e urbanization
Soggetto:
Song sparrow -- Wintering -- North Carolina, Song sparrow -- Behavior -- North Carolina e Song sparrow -- Migration -- North Carolina
The All Taxa Biodiversity Inventory (ATBI) is an effort to record all species within Great Smoky Mountains National Park (GSMNP). When it was first begun nearly 20 years ago, prokaryotic organisms were not included as targets...
Prokaryotes are vital to the survival of all life on Earth since they control the cycles of many elements including carbon, nitrogen, sulfur, etc. The study of the Archaea has resulted in numerous novel metabolic discoveries,...
Soggetto:
Archaebacteria -- Great Smoky Mountains National Park (N.C. and Tenn.)