Life Sciences Commons^™

In The Land Of The Mermaid: How Culture, Not Ecology, Influenced Marine Mammal Exploitation In The Southeastern Caribbean, Aldemaro Romero Jr., Joel E. Creswell

Publications and Research

No abstract provided.

On The Evolutionary Significance Of The Paleocyphonautidae: How Fossils And Larvae Impact Evolutionary Reconstructions, Aldemaro Romero Jr., Raymond R. Rogers, Julio Seguí

Publications and Research

No abstract provided.

Tiger Beetles Common During Summer Months, Tanja Mckay, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Quest For The ‘Holy Grail Bird’. Discovery Of The Ivory-Billed Woodpecker Brings Arkansas Unprecedented Attention, Aldemaro Romero Jr., Jim Bednarz

Publications and Research

No abstract provided.

As Puffball Season Approaches, It Pays To Know Your Mushroom, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Discovery Shook Medical, Pharmaceutical Industries, Aldemaro Romero Jr., David Gilmore

Publications and Research

No abstract provided.

Blind Cave Fishes Providing Important Clues To Human Blindness, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Researchers Uncover Black And White Truth Of Cave Fish Discovery, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Mussels Have Plenty To Say About State Of Environment, Aldemaro Romero Jr., Alan D. Christian

Publications and Research

No abstract provided.

Flying Squirrel Is Seldom Seen, Often Misunderstood Member Of Arkansas Wildlife, Aldemaro Romero Jr., Thomas S. Risch

Publications and Research

No abstract provided.

Aaas Lecture Series On Women In Science And Engineering, Maribel Vazquez

Publications and Research

The winning essay for a Travel Award from the American Association for the Advancement in Science Women Lecture Series.

http://ehrweb.aaas.org/womeninscience/essays/vazquez.htm

Evolution Of Hypogean Fauna, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Adaptation: Behavioural, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Visual Enhancing Of Tactile Perception In The Posterior Parietal Cortex, Tony Ro, Ruth Wallace, Judith Hagedorn, Alessandro Farnè, Elizabeth Pienkos

Publications and Research

The visual modality typically dominates over our other senses. Here we show that after inducing an extreme conflict in the left hand between vision of touch (present) and the feeling of touch (absent), sensitivity to touch increases for several minutes after the conflict. Transcranial magnetic stimulation of the posterior parietal cortex after this conflict not only eliminated the enduring visual enhancement of touch, but also impaired normal tactile perception. This latter finding demonstrates a direct role of the parietal lobe in modulating tactile perception as a result of the conflict between these senses. These results provide evidence for visual-to-tactile perceptual …

Pisces (Fishes): Amblyopsidae, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Meiotic And Mitotic Phenotypes Conferred By The Blm1-1 Mutation In Saccharomyces Cerevisiae And Msh4 Suppression Of The Bleomycin Hypersusceptibility, Georgia Anyatonwu, Ediberto Garcia, Ajay Pramanik, Marie Powell, Carol Wood Moore

Publications and Research

Oxidative damage can lead to a number of diseases, and can be fatal. The blm1-1 mutation of Saccharomyces cerevisiae confers hypersusceptibility to lethal effects of the oxidative, anticancer and antifungal agent, bleomycin. For the current report, additional defects conferred by the mutation in meiosis and mitosis were investigated. The viability of spores produced during meiosis by homozygous normal BLM1/BLM1, heterozygous BLM1/blm1-1, and homozygous mutant blm1-1/blm1-1 diploid strains was studied and compared. Approximately 88% of the tetrads derived from homozygous blm1-1/blm1-1 mutant diploid cells only produced one or two viable spores. In contrast, just one tetrad among all BLM1/BLM1 and BLM1/blm1-1 …

Up-Regulation Of Neuronal Calcium Sensor-1 (Ncs-1) In The Prefrontal Cortex Of Schizophrenic And Bipolar Patients, Phil Ok Koh, Ashiwel S. Undieh, Robert Levenson, Patricia S. Goldman-Rakic, Michael S. Lidow

Publications and Research

The delineation of dopamine dysfunction in the mentally ill has been a long-standing quest of biological psychiatry. The present study focuses on a recently recognized group of dopamine receptor- interacting proteins as possible novel sites of dysfunction in schizophrenic and bipolar patients. We demonstrate that the dorsolateral prefrontal cortex in schizophrenia and bipolar cases from the Stanley Foundation Neuropathology Consortium display significantly elevated levels of the D2 dopamine receptor desensitization regulatory protein, neuronal calcium sensor-1. These levels of neuronal calcium sensor-1 were not influenced by age, gender, hemisphere, cause of death, postmortem period, alcohol consumption, or antipsychotic and mood stabilizing …

Percopsiformes (Troutperchers And Relatives), Aldemaro Romero Jr.

Publications and Research

No abstract provided.

David Grandison Fairchild (Botanist), Janet Butler Munch

Publications and Research

Biographical sketch of American botanist David Grandison Fairchild (1869-1954).

Infant Mortality After Takeovers In Wild Ethiopian Hamadryas Baboons, Larissa Swedell, Teklu Tesfaye

Publications and Research

In this paper, we report the first observational evidence of infanticide in wild hamadryas baboons. The study group inhabits the lowlands of the northern Rift Valley in Ethiopia and has been under observation for over 1200 hours, on and off, since October 1996. Here we report observations from August and September 2002 of the consequences of two takeovers of known females with black infants. After the first takeover, the respective infant disappeared and was presumed dead within eleven days of the takeover. After the second takeover, the infant incurred repeated severe aggression from its mother’s new leader male and eventually …

Synbranchiformes (Swamp And Spiny Eels), Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Cypriniformes Ii (Loaches And Relatives), Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Anguilliformes (Eels And Morays), Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Salmoniformes (Salmons), Aldemaro Romero Jr.

Publications and Research

No abstract provided.

One Eye But No Vision: Troglomorphic Astyanax Fasciatus (Pisces: Characidae) With Induced Eyes Do Not Respond To Light, Aldemaro Romero Jr., Steven M. Green, Andrea Romero, Megan M. Lelonek, Katy C. Stropnicky

Publications and Research

No abstract provided.

Bioorganic Studies In Aids: Synthetic Antifungals Against Pneumocystis Carinii Based On The Multivalency Concept, Langu Peng, Cunxiang Chen, Christian R. Gonzalez, Valeria Balogh-Nair

Publications and Research

We report the syntheses of antifungals containing the novel pharmacophores: oxaziridines, sulfonyloxaziridines, nitrones and nitronyl nitroxides. We hypothesized that multiple copies of the pharmacophore per molecule might be a prerequisite to enhance efficacy against the opportunistic pathogen, Pneumocystis carinii. Therefore structural optimization of the leads was based on this new “multivalency” approach. All bisoxaziridines were inactive, but a trisoxaziridine caused ca. 50% reduction of the number of P. carinii tropozoites, compared to TMP-SMX, and a hexaoxaziridine at 1 µg/ml showed activity comparable to the currently used drug, TMP-SMX. Insertion of three units of the nitronyl nitroxide pharmacophore per molecule afforded …

D1 Dopamine Receptor Regulation Of Microtubule-Associated Protein-2 Phosphorylation In Developing Cerebral Cortical Neurons, Z.-M. Song, Ashiwel S. Undieh, Y.-Y. Fang, L. Zhang, S. Dracheva, S.C. Sealfon, M.S. Lidow

Publications and Research

This study addresses the hypothesis that the previously described capacity of D1 dopamine receptors (D1Rs) to regulate dendritic growth in developing cortical neurons may involve alterations in the phosphorylation state of microtubuleassociated protein-2 (MAP2). The changes in phosphorylation of this protein are known to affect its ability to stabilize the dendritic cytoskeleton. The study involved two systems: primary cultures of mouse cortical neurons grown in the presence of the D1R agonists, SKF82958 or A77636, and the cortex of neonatal transgenic mice overexpressing the D1A subtype of D1R. In both models, a decrease in dendritic extension corresponded with an elevation in …

Low Concentration Microenvironments Enhance The Migration Of Neonatal Cells Of Glial Lineage, Richard A. Able, Jr., Celestin Ngnabeuye, Cade Beck, Eric C. Holland, Maribel Vazquez

Publications and Research

Glial tumors have demonstrated abilities to sustain growth via recruitment of glial progenitor cells (GPCs), which is believed to be driven by chemotactic cues. Previous studies have illustrated that mouse GPCs of different genetic backgrounds are able to replicate the dispersion pattern seen in the human disease. How GPCs with genetic backgrounds transformed by tumor paracrine signaling respond to extracellular cues via migration is largely unexplored, and remains a limiting factor in utilizing GPCs as therapeutic targets. In this study, we utilized a microfluidic device to examine the chemotaxis of three genetically-altered mouse GPC populations towards tumor conditioned media, as …

Between The First Blind Cave Fish And The Last Of The Mohicans: The Scientific Romanticism Of James E. Dekay, Aldemaro Romero Jr.

Publications and Research

No abstract provided.

Ipsilesional Biases In Saccades But Not Perception After Lesions Of The Human Inferior Parietal Lobule, Tony Ro, Chris Rorden, Jon Driver, Robert Rafal

Publications and Research

We examined the effects of chronic unilateral lesions to either the inferior parietal lobe, or to the dorsolateral prefrontal cortex including the frontal eye fields (FEFs), upon human visual perception and saccades in temporal-order-judgment (TOJ) tasks. Two visual events were presented on each trial, one in each hemifield at various stimulus onset asynchronies (SOAs). In the saccade task, patients moved their eyes to whichever stimulus attracted gaze first. In the perceptual-manual task, they pressed a button to indicate which stimulus was perceived first. Frontal patients showed appropriate TOJs for visual targets in both tasks. Parietal patients showed appropriate TOJs in …