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Rosie Alegado
Rosanna "Rosie" ʻAnolani Alegado (born 1978) is a Kanaka ʻōiwi/Native Hawaiian Associate Professor of Oceanography at the Daniel K. Inouye Center for Microbial Oceanography as well as director of the Hawai‘i Sea Grant’s Ulana 'Ike Center of Excellence at the University of Hawaiʻi at Mānoa. Alegado studies the evolution of host–microbe interactions and the microbial ecology of coastal estuarine systems. Early life Alegado was born in Honolulu, Hawaiʻi in 1978. Her mother is Native Hawaiian scholar and activist Davianna Pōmaika'i McGregor, professor and founding member of the Department of Ethnic Studies at the University of Hawaiʻi at Mānoa. Her father is Filipino scholar and activist Dean Alegado, a former professor of Ethnic Studies at the University of Hawaiʻi at Mānoa and leader of the Union of Democratic Filipinos (Katipunan ng Demokratikong Pilipino, KDP) founded in 1973. She graduated from the Kamehameha Schools in 1996. Alegado earned a BS in Biology ...
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University Of Hawaiʻi At Mānoa
The University of Hawaii at Mānoa (University of Hawaii—Mānoa, UH Mānoa, Hawai'i, or simply UH) is a public land-grant research university in Mānoa, a neighborhood in Honolulu, Hawaii. It is the flagship campus of the University of Hawaiʻi system and houses the main offices of the system. Most of the campus occupies the eastern half of the mouth of Mānoa Valley, with the John A. Burns School of Medicine located adjacent to the Kakaʻako Waterfront Park. U.H. offers over 200 degree programs across 17 colleges and schools. It is accredited by the WASC Senior College and University Commission and governed by the Hawaii State Legislature and a semi-autonomous board of regents. It also a member of the Association of Pacific Rim Universities. Mānoa is classified among "R1: Doctoral Universities – Very high research activity". It is a land-grant university that also participates in the sea-grant, space-grant, and sun-grant research consortia; it is one of only four suc ...
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Virginia Hinshaw
Virginia S. Hinshaw is a scientist with expertise in microbiology, virology and influenza resulting in numerous publications. She served as Vice-Chancellor at U of Wisconsin Madison and Chancellor at University of Hawai'i Manoa campus. Career Hinshaw earned a BS in laboratory technology in 1966, and an MS in 1967. She worked as a research and clinical microbiologist at the Medical College of Virginia. Later, she returned to school and earned the PhD in microbiology from Auburn University in Alabama in 1973. In 1985, she joined the faculty of the UW-Madison School of Veterinary Medicine. Her research focused on influenza viruses and approaches to vaccines. Her work has been published in numerous journals including the ''Journal of Virology'', ''Virology'', and ''Intervirology.'' She worked internationally on influenza virus surveillance in collaboration with the WHO and served as a Fellow for the Promotion of Science in Japan through the NIH. Leadership In 1988, Hinshaw se ...
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Rhizophora Mangle
''Rhizophora mangle'', the red mangrove, is distributed in estuarine ecosystems throughout the tropics. Its viviparous "seeds", in actuality called propagules, become fully mature plants before dropping off the parent tree. These are dispersed by water until eventually embedding in the shallows. ''Rhizophora mangle'' grows on aerial prop roots, which arch above the water level, giving stands of this tree the characteristic "mangrove" appearance. It is a valuable plant in Florida, Louisiana, and Texas coastal ecosystems. In its native habitat it is threatened by invasive species such as the Brazilian pepper tree ''(Schinus terebinthifolius)''. The red mangrove itself is considered an invasive species in some locations, such as Hawaii, where it forms dense, monospecific thickets. ''R. mangle'' thickets, however, provide nesting and hunting habitat for a diverse array of organisms, including fish, birds, and crocodiles. Distribution and habitat Red mangroves are found in subtrop ...
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Global Warming
In common usage, climate change describes global warming—the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate variability and change, Climate change in a broader sense also includes previous long-term changes to Earth's climate. The Instrumental temperature record, current rise in global average temperature is more rapid than previous changes, and is Scientific consensus on climate change, primarily caused by humans burning fossil fuels. Fossil fuel use, deforestation, and some Greenhouse gas emissions from agriculture, agricultural and Environmental impact of concrete, industrial practices Greenhouse gas emissions, increase greenhouse gases, notably carbon dioxide and Methane emissions, methane. Greenhouse gases greenhouse effect, absorb some of the heat that the Earth radiates after it warms from sunlight. Larger amounts of these gases Earth's Energy Imbalance, trap more heat in Earth's lower atmosphere, causing glob ...
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El Niño
El Niño (; ; ) is the warm phase of the El Niño–Southern Oscillation (ENSO) and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific (approximately between the International Date Line and 120°W), including the area off the Pacific coast of South America. The ENSO is the cycle of warm and cold sea surface temperature (SST) of the tropical central and eastern Pacific Ocean. El Niño is accompanied by high air pressure in the western Pacific and low air pressure in the eastern Pacific. El Niño phases are known to last close to four years; however, records demonstrate that the cycles have lasted between two and seven years. During the development of El Niño, rainfall develops between September–November. The cool phase of ENSO is es, La Niña, translation=The Girl, with SSTs in the eastern Pacific below average, and air pressure high in the eastern Pacific and low in the western Pacific. The ENSO cycle, including ...
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Bacteroidota
The phylum Bacteroidota (synonym Bacteroidetes) is composed of three large classes of Gram-negative, nonsporeforming, anaerobic or aerobic, and rod-shaped bacteria that are widely distributed in the environment, including in soil, sediments, and sea water, as well as in the guts and on the skin of animals. Although some ''Bacteroides'' spp. can be opportunistic pathogens, many ''Bacteroidota'' are symbiotic species highly adjusted to the gastrointestinal tract. ''Bacteroides'' are highly abundant in intestines, reaching up to 1011 cells g−1 of intestinal material. They perform metabolic conversions that are essential for the host, such as degradation of proteins or complex sugar polymers. ''Bacteroidota'' colonize the gastrointestinal tract already in infants, as non-digestible oligosaccharides in mother milk support the growth of both '' Bacteroides'' and '' Bifidobacterium'' spp. ''Bacteroides'' spp. are selectively recognized by the immune system of the host through specif ...
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Salpingoeca Rosetta
''Salpingoeca rosetta'' is a species of Choanoflagellates in the family Salpingoecidae. It is a rare marine eukaryote consisting of a number of cells embedded in a jelly-like matrix. This organism demonstrates a very primitive level of cell differentiation and specialization. This is seen with flagellated cells and their collar structures that move the cell colony through the water. Similar low level cellular differentiation and specification can also be seen in sponges. They also have collar cells (also called choanocytes due to their similarities to choanoflaggellates) and amoeboid cells arranged in a gelatinous matrix. Unlike ''S. rosetta'', sponges also have other cell-types that can perform different functions. Also, the collar cells of sponges beat within canals in the sponge body, whereas Salpingoeca rosetta’s collar cells reside on the inside and it lacks internal canals. Despite these minor differences, there is strong evidence that Proterospongia and Metazoa are highl ...
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Choanoflagellate
The choanoflagellates are a group of free-living unicellular and colonial flagellate eukaryotes considered to be the closest living relatives of the animals. Choanoflagellates are collared flagellates, having a funnel shaped collar of interconnected microvilli at the base of a flagellum. Choanoflagellates are capable of both asexual and sexual reproduction. They have a distinctive cell morphology characterized by an ovoid or spherical cell body 3–10 µm in diameter with a single apical flagellum surrounded by a collar of 30–40 microvilli (see figure). Movement of the flagellum creates water currents that can propel free-swimming choanoflagellates through the water column and trap bacteria and detritus against the collar of microvilli, where these foodstuffs are engulfed. This feeding provides a critical link within the global carbon cycle, linking trophic levels. In addition to their critical ecological roles, choanoflagellates are of particular interest to evolutiona ...
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Multicellular Organism
A multicellular organism is an organism that consists of more than one cell, in contrast to unicellular organism. All species of animals, land plants and most fungi are multicellular, as are many algae, whereas a few organisms are partially uni- and partially multicellular, like slime molds and social amoebae such as the genus '' Dictyostelium''. Multicellular organisms arise in various ways, for example by cell division or by aggregation of many single cells. Colonial organisms are the result of many identical individuals joining together to form a colony. However, it can often be hard to separate colonial protists from true multicellular organisms, because the two concepts are not distinct; colonial protists have been dubbed "pluricellular" rather than "multicellular". There are also multinucleate though technically unicellular organisms that are macroscopic, such as the xenophyophorea that can reach 20 cm. Evolutionary history Occurrence Multicellularity has evolve ...
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Nicole King
Nicole King (born 1970) is an American biologist and faculty member at the University of California, Berkeley in molecular and cell biology and integrative biology. She was awarded a MacArthur Fellowship in 2005. She has been an investigator with the Howard Hughes Medical Institute (HHMI) since 2013. King studies the evolution of multicellularity and choanoflagellates. The goal of her work is to reconstruct how multicellular animals evolved from single-cell organisms. Professional contributions King identified choanoflagellates as key organisms to answer questions about the origin of multicellularity. Prior to her work, it was unclear whether choanoflagellates or fungi were the closest outgroup to multicellular animals (also called "metazoans"). King's comparative genomics work in collaboration with Sean Carroll helped to elucidate the evolutionary "tree of life." In addition, work by King and colleagues showed that choanoflagellates possess several protein-coding genes that ...
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Caenorhabditis Elegans
''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a blend of the Greek ''caeno-'' (recent), ''rhabditis'' (rod-like) and Latin ''elegans'' (elegant). In 1900, Maupas initially named it ''Rhabditides elegans.'' Osche placed it in the subgenus ''Caenorhabditis'' in 1952, and in 1955, Dougherty raised ''Caenorhabditis'' to the status of genus. ''C. elegans'' is an unsegmented pseudocoelomate and lacks respiratory or circulatory systems. Most of these nematodes are hermaphrodites and a few are males. Males have specialised tails for mating that include spicules. In 1963, Sydney Brenner proposed research into ''C. elegans,'' primarily in the area of neuronal development. In 1974, he began research into the molecular and developmental biology of ''C. elegans'', which has since been extensively used as a model organism. It was the first multice ...
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