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Articles 4801 - 4830 of 6021
Full-Text Articles in Entire DC Network
Sumoylation Is Tumor-Suppressive And Confers Proliferative Quiescence To Hematopoietic Progenitors In Drosophila Melanogaster Larvae, Marta E. Kalamarz, Indira Paddibhatla, Christina Nadar, Shubha Govind
Sumoylation Is Tumor-Suppressive And Confers Proliferative Quiescence To Hematopoietic Progenitors In Drosophila Melanogaster Larvae, Marta E. Kalamarz, Indira Paddibhatla, Christina Nadar, Shubha Govind
Publications and Research
Summary How cell-intrinsic regulation of the cell cycle and the extrinsic influence of the niche converge to provide proliferative quiescence, safeguard tissue integrity, and provide avenues to stop stem cells from giving rise to tumors is a major challenge in gene therapy and tissue engineering. We explore this question in sumoylation-deficient mutants of Drosophila. In wild type third instar larval lymph glands, a group of hematopoietic stem/progenitor cells acquires quiescence; a multicellular niche supports their undifferentiated state. However, how proliferative quiescence is instilled in this population is not understood. We show that Ubc9 protein is nuclear in this population. Loss …
The Logic Of Fashion Cycles, Alberto Acerbi, Stefano Ghirlanda, Magnus Enquist
The Logic Of Fashion Cycles, Alberto Acerbi, Stefano Ghirlanda, Magnus Enquist
Publications and Research
Many cultural traits exhibit volatile dynamics, commonly dubbed fashions or fads. Here we show that realistic fashion-like dynamics emerge spontaneously if individuals can copy others' preferences for cultural traits as well as traits themselves. We demonstrate this dynamics in simple mathematical models of the diffusion, and subsequent abandonment, of a single cultural trait which individuals may or may not prefer. We then simulate the coevolution between many cultural traits and the associated preferences, reproducing power-law frequency distributions of cultural traits (most traits are adopted by few individuals for a short time, and very few by many for a long time), …
Catalog Addendum Spring 2012, Kingsborough Community College
Catalog Addendum Spring 2012, Kingsborough Community College
Course Catalogs
No abstract provided.
Coupling Of Fog And Marine Microbial Content In The Near-Shore Coastal Environment, M. E. Ducker, Gregory D. O'Mullan, K. C. Weathers, A. R. Juhl, M. Uriarte
Coupling Of Fog And Marine Microbial Content In The Near-Shore Coastal Environment, M. E. Ducker, Gregory D. O'Mullan, K. C. Weathers, A. R. Juhl, M. Uriarte
Publications and Research
Microbes in the atmosphere (microbial aerosols) play an important role in climate and provide an ecological and biogeochemical connection between oceanic, atmospheric, and terrestrial environments. However, the sources and environmental factors controlling the concentration, diversity, transport, and viability of microbial aerosols are poorly understood. This study examined culturable microbial aerosols from a coastal environment in Maine (USA) and determined the effect of onshore wind speed and fog presence on deposition rate, source, and community composition. During fog events with low onshore winds (
Genetic Signatures Of A Demographic Collapse In A Large-Bodied Forest Dwelling Primate (Mandrillus Leucophaeus), Nelson Ting, Christos Astaras, Gail Hearn, Shaya Honarvar, Joel Corush, Andrew S. Burrell, Naomi Phillips, Bethan J. Morgan, Elizabeth L. Gadsby, Ryan L. Raaum, Christian Roos
Genetic Signatures Of A Demographic Collapse In A Large-Bodied Forest Dwelling Primate (Mandrillus Leucophaeus), Nelson Ting, Christos Astaras, Gail Hearn, Shaya Honarvar, Joel Corush, Andrew S. Burrell, Naomi Phillips, Bethan J. Morgan, Elizabeth L. Gadsby, Ryan L. Raaum, Christian Roos
Publications and Research
It is difficult to predict how current climate change will affect wildlife species adapted to a tropical rainforest environment. Understanding how population dynamics fluctuated in such species throughout periods of past climatic change can provide insight into this issue. The drill (Mandrillus leucophaeus) is a large-bodied rainforest adapted mammal found in West Central Africa. In the middle of this endangered monkey’s geographic range is Lake Barombi Mbo, which has a well-documented palynological record of environmental change that dates to the Late Pleistocene. We used a Bayesian coalescent-based framework to analyze 2,076 base pairs of mitochondrial DNA across wild drill populations …
A Swot Model Of The Challenges And Benefits Of Volunteer Involvement In Us Non-Profit Organisations During Times Of Fiscal Stress, Helisse Levine, Maria J. D’Agostino
A Swot Model Of The Challenges And Benefits Of Volunteer Involvement In Us Non-Profit Organisations During Times Of Fiscal Stress, Helisse Levine, Maria J. D’Agostino
Publications and Research
As a result of the current fiscal crisis, the US Federal Government is calling on non-profit organisations and communities across the country to contribute their service through volunteering. This study uses qualitative data retrieved from a purposive sample of New York City non-profit administrators to determine the challenges and benefits of volunteer involvement in US non-profit organisations during the economic downturn that began in 2008. Findings conclude that although US Federal Government initiatives, including $50 million of the American Recovery and Reinvestment Act allocated to the strengthening communities fund provided non-profits the opportunity to draw on an influx of a …
Pten Regulation Of Local And Long-Range Connections In Mouse Auditory Cortex, Qiaojie Xiong, Hysell V. Oviedo, Lloyd C. Trotman, Anthony M. Zador
Pten Regulation Of Local And Long-Range Connections In Mouse Auditory Cortex, Qiaojie Xiong, Hysell V. Oviedo, Lloyd C. Trotman, Anthony M. Zador
Publications and Research
Autism spectrum disorders (ASDs) are highly heritable developmental disorders caused by a heterogeneous collection of genetic lesions. Here we use a mouse model to study the effect on cortical connectivity of disrupting the ASD candidate gene PTEN (phosphatase and tensin homolog deleted on chromosome 10). Through Cre-mediated recombination, we conditionally knocked out PTEN expression in a subset of auditory cortical neurons. Analysis of long-range connectivity using channelrhodopsin-2 revealed that the strength of synaptic inputs from both the contralateral auditory cortex and from the thalamus onto PTEN-cko neurons was enhanced compared with nearby neurons with normal PTEN expression. Laser-scanning photostimulation showed …
Evidence For A Grooming Claw In A North American Adapiform Primate: Implications For Anthropoid Origins, Stephanie Maiolino, Doug M. Boyer, Jonathan I. Bloch, Christopher C. Gilbert, Joseph Groenke
Evidence For A Grooming Claw In A North American Adapiform Primate: Implications For Anthropoid Origins, Stephanie Maiolino, Doug M. Boyer, Jonathan I. Bloch, Christopher C. Gilbert, Joseph Groenke
Publications and Research
Among fossil primates, the Eocene adapiforms have been suggested as the closest relatives of living anthropoids (monkeys, apes, and humans). Central to this argument is the form of the second pedal digit. Extant strepsirrhines and tarsiers possess a grooming claw on this digit, while most anthropoids have a nail. While controversial, the possible presence of a nail in certain European adapiforms has been considered evidence for anthropoid affinities. Skeletons preserved well enough to test this idea have been lacking for North American adapiforms. Here, we document and quantitatively analyze, for the first time, a dentally associated skeleton of Notharctus tenebrosus …
Serotonin 1a Receptor-Mediated Signaling Through Erk And Pkcα Is Essential For Normal Synaptogenesis In Neonatal Mouse Hippocampus, A. Mogha, Sara R. Guariglia, Priya Ranjan Debata, Guang Y. Wen, Probal Banerjee
Serotonin 1a Receptor-Mediated Signaling Through Erk And Pkcα Is Essential For Normal Synaptogenesis In Neonatal Mouse Hippocampus, A. Mogha, Sara R. Guariglia, Priya Ranjan Debata, Guang Y. Wen, Probal Banerjee
Publications and Research
Aberrant expression of the presynaptic serotonin 1A receptor (5-HT1A-R) because of a polymorphism in the 5-HT1A-R gene is associated with severe depression in human, whereas its absence up to postnatal day 21 (P21) in the forebrain of mice results in heightened anxiety in adulthood. These observations collectively indicate that the 5-HT1A-R has a crucial role in brain development. To understand the mechanistic underpinnings of this phenomenon, we used organotypic slice cultures of hippocampi from C57BL6 mice (C57) at P15, which coincides with the peak of neonatal synaptogenesis. Stimulation of the hippocampal 5-HT1A-R caused a dramatic increase …
Relationships Between Urinary Biomarkers Of Phytoestrogens, Phthalates, Phenols, And Pubertal Stages In Girls, Tandra R. Chakraborty, Eilliut Alicea, Sanjoy Chakraborty
Relationships Between Urinary Biomarkers Of Phytoestrogens, Phthalates, Phenols, And Pubertal Stages In Girls, Tandra R. Chakraborty, Eilliut Alicea, Sanjoy Chakraborty
Publications and Research
Phytoestrogens, phthalates, and phenols are estrogen-disrupting chemicals that have a pronounced effect at puberty. They are exogenous chemicals that are either plant-derived or man-made, and can alter the functions of the endocrine system and cause various health defects by interfering with the synthesis, metabolism, binding, or cellular responses of natural estrogens. Phytoestrogens, phthalates, and phenols are some of the potent estrogens detectable in urine. Phytoestrogens are plant-derived xenestrogens found in a wide variety of food products, like soy-based food, beverages, several fruits, and vegetables. Exposure to phytoestrogens can delay breast development and further lead to precocious puberty. The effect of …
Picturing The Wake: Arcimboldo, Joyce And His ‘Monster,’, Václav Paris
Picturing The Wake: Arcimboldo, Joyce And His ‘Monster,’, Václav Paris
Publications and Research
This essay considers Finnegans Wake through the lens of Arcimboldo's art. Drawing on surrealism, French theory, and close readings of parts of Joyce's most difficult book, it shows the work to be visually richer and stranger than we imagined.
Notes On The Diet Of The Malay Civet (Viverra Tangalunga) And Other Civets In Logged And Unlogged Lowland Dipterocarp Rain Forests In Sabah, Borneo, Christina P. Colon, John B. Sugau
Notes On The Diet Of The Malay Civet (Viverra Tangalunga) And Other Civets In Logged And Unlogged Lowland Dipterocarp Rain Forests In Sabah, Borneo, Christina P. Colon, John B. Sugau
Publications and Research
Civet diets were examined in a logged and unlogged Bornean rain forest. Malay civets (Viverra tangalunga) consumed invertebrates, fruit, rodents, insectivores, birds, snakes and lizards, and appear to show preference for centipedes and scorpions. Other civet species consumed fruit, such as figs, Connarus sp. and Annona sp., particularly in the unlogged forest, but also consumed invertebrates and vertebrates. Reduced fruit consumption observed in the logged forest may be due to lower availability and may be offset by increased consumption of invertebrates. The increased overlap in diet between Malay civets and other civets in disturbed areas may lead to …
Zamora Discusses Secrets Of Graphic Designers, Aldemaro Romero Jr.
Zamora Discusses Secrets Of Graphic Designers, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Using A Narrative Lens To Understand Empathy And How It Matters In Judging, Andrea Mcardle
Using A Narrative Lens To Understand Empathy And How It Matters In Judging, Andrea Mcardle
Publications and Research
No abstract provided.
A Living, Working Faith: Remembering Our Colleague Derrick A. Bell, Jr. As Teacher, Andrea Mcardle
A Living, Working Faith: Remembering Our Colleague Derrick A. Bell, Jr. As Teacher, Andrea Mcardle
Publications and Research
No abstract provided.
De Meo Carries On Tradition Of Teaching Chemistry, Aldemaro Romero Jr.
De Meo Carries On Tradition Of Teaching Chemistry, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Dirks-Linhorst Looks At Different Angles Of The Law, Aldemaro Romero Jr.
Dirks-Linhorst Looks At Different Angles Of The Law, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
How People Learn English As Second Language, Aldemaro Romero Jr.
How People Learn English As Second Language, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Parasites Of Civets (Mammalia, Viverridae) In Sabah, Borneo: A Coprological Survey, Christina P. Colon, Sharon Patton
Parasites Of Civets (Mammalia, Viverridae) In Sabah, Borneo: A Coprological Survey, Christina P. Colon, Sharon Patton
Publications and Research
Parasite data were collected from unlogged and selectively logged lowland rain forests in Borneo. Scat from a female Viverra tangalunga (Malay civet) in the unlogged forest contained eggs of Capillaria spp., Trichuris sp., Mamomoganomus sp., and nematode larvae. Scat attributed to V. tangalunga contained reproductive products (eggs/oocysts/cysts/larvae) of Capillaria sp., Toxocara sp., Ancylostoma sp. (probably A. ceylanicum), Isospora spp., strongylate-type eggs (probably Ancylostoma spp.), Paragoni mus sp. and other Trematoda eggs, Monocystis sp. cysts, Gnathostoma sp. (probably G. spinigerum), the lungworm Viverrostrongylus brauni, pinworm-type eggs, Eimeria spp., Sarcocystis-type sporocyst, dermanysid mites and mesostigmatid mites. Parasites from gut samples from two …
When Whales Became Mammals: The Scientific Journey Of Cetaceans From Fish To Mammals In The History Of Science, Aldemaro Romero Jr.
When Whales Became Mammals: The Scientific Journey Of Cetaceans From Fish To Mammals In The History Of Science, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Crane Studies, Teaches The Philosophy Of Life, Aldemaro Romero Jr.
Crane Studies, Teaches The Philosophy Of Life, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Culture Ontogeny: Lifespan Development Of Religion And The Ethics Of Spiritual Counselling, Glen Milstein, Amy Manierre
Culture Ontogeny: Lifespan Development Of Religion And The Ethics Of Spiritual Counselling, Glen Milstein, Amy Manierre
Publications and Research
The counsellor has an ethical obligation to treat the whole person. Humans are cultural beings and the foundation of most cultures is religion. Religion and culture are received from our early relation~ ships and modified through later relationships across the lifespan. The paper introduces the term "culture ontogeny" to emphasize that this is a biological process wherein abstract ideas of culture and religion become material in the developing neurophysiology of each brain. A framework and methods are offered to examine the changing roles of religion in clients' emotional self~ structure, inclusive of those who describe themselves as spiritual, not religious. …
Always Occupy, Edgar Nkosi White
Good Men Grow Corn: Embodied Ecological Heritage In A Belizean Mopan Community, Kristina Baines
Good Men Grow Corn: Embodied Ecological Heritage In A Belizean Mopan Community, Kristina Baines
Publications and Research
Recent developments in land rights and land use in the Toledo district, Belize has generated anthropological and activist interest surrounding traditional ecological knowledge and practice, and the role of heritage in communities. This study explores the connection between ecological knowledge and practices, and the concurrent construction of heritage, and community health and wellness, broadly defined. Developing and using the concept of “embodied ecological heritage,” this dissertation takes a phenomenological approach to understanding the convergence of ecological heritage and health in multiple realms of everyday life, arguing that lived experience of participating in “traditional”practices is fundamentally connected to wellness in the …
Hostos Community College Academic Bulletin 2010-2012, Hostos Community College
Hostos Community College Academic Bulletin 2010-2012, Hostos Community College
College Bulletins
This is the official college catalog for 2010-2012. It contains course descriptions as well as information on degree programs, college resources and services, financial aid, admissions, and the academic calendar.
Life In Transition: Consecutive Essays, Jacqueline Annette Phillips
Life In Transition: Consecutive Essays, Jacqueline Annette Phillips
Dissertations and Theses
No abstract provided.
The Me And The We: A First Person Meditation On Media Translation In Three Acts, Alexandra Juhasz
The Me And The We: A First Person Meditation On Media Translation In Three Acts, Alexandra Juhasz
Publications and Research
No abstract provided.
`The Only Beguiled Person?': Accessing Fantomina In The Feminist Classroom., Kate Levin
`The Only Beguiled Person?': Accessing Fantomina In The Feminist Classroom., Kate Levin
Publications and Research
This article explores how Eliza Haywood's 18th-century novella Fantomina serves as an allegory for the challenges of maintaining a feminist classroom.
The Gift: Synesthesia In Translingual Texts, Natasha Lvovich
The Gift: Synesthesia In Translingual Texts, Natasha Lvovich
Publications and Research
This article explores the relationship between multilingualism and synesthesia (neuro-psychological blend of senses). In the absence of research in any of the related fields, the author (a multilingual, a L2 scholar, a writer, and a synesthete all at once) views synesthesia through the lens of “translingual texts” written in L2 by multilingual authors and takes an interdisciplinary perspective, fusing L2 scholarship, cognitive theory, neuroscience, literary theory, and semiotics to investigate the complexities and subjectivities of the multilingual mind. ‘Translingual synesthesia’ appears to represent an idiosyncratic form of language emotionality and creativity, allowing translingual authors to transcend cognitive and linguistic realms …
Interrogating Texts: From Deferent To Efferent And Aesthetic Reading Practices, Cheryl Hogue Smith
Interrogating Texts: From Deferent To Efferent And Aesthetic Reading Practices, Cheryl Hogue Smith
Publications and Research
This article offers a revised version of transactional reading theory to explain how students classified as basic writers tend to employ counterproductive reading and thinking processes that inhibit them from full participation in academic life. Louise Rosenblatt proposes that readers have two main positions or purposes in reading—the efferent stance, where readers focus on the information in a text, and the aesthetic stance, where readers focus on the experience they have with a text. This article describes a third, deferent stance of reading that many basic writers adopt when they defer their interpretations of texts to other readers or defer …