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Density - Dependence Of Developmental Instability In A Dimorphic Ungulate

Categorie : Biology / Biochemistry
The use of fluctuating asymmetry (FA) for biomonitoring environmental stress is limited by the lack of work on how FA in particular traits responds to specific stresses. Here, by manipulating the number of individuals in an enclosed fallow deer (Dama dama) population, we describe, for the first time ...

read more The use of fluctuating asymmetry (FA) for biomonitoring environmental stress is limited by the lack of work on how FA in particular traits responds to specific stresses. Here, by manipulating the number of individuals in an enclosed fallow deer (Dama dama) population, we describe, for the first time read more Thu Jun 2008 Thu Jun 2008

Exposure To Low Doses Of Radiation To Cure Our Ills

Categorie : Biology / Biochemistry
For decades, we have been told that exposure to radiation is dangerous. In high doses it is certainly lethal and chronic exposure is linked to the development of cancer. But, what if a short-term controlled exposure to a low dose of radiation were good for our health. ...

read more For decades, we have been told that exposure to radiation is dangerous. In high doses it is certainly lethal and chronic exposure is linked to the development of cancer. But, what if a short-term controlled exposure to a low dose of radiation were good for our health. read more Thu Jun 2008 Thu Jun 2008

Potential Key To Better Drugs To Fight Toxoplasmosis Parasite Uncovered By IU School Of Medicine Scientists

Categorie : Biology / Biochemistry
Discoveries by IU School of Medicine scientists have opened a promising door to new drugs for toxoplasmosis and other parasites that now can evade treatments by turning dormant in the body. Their findings help explain how the parasite that causes toxoplasmosis transforms into a cyst form that resist ...

read more Discoveries by IU School of Medicine scientists have opened a promising door to new drugs for toxoplasmosis and other parasites that now can evade treatments by turning dormant in the body. Their findings help explain how the parasite that causes toxoplasmosis transforms into a cyst form that resist read more Thu Jun 2008 Thu Jun 2008

New Role Of Inflammatory Protein In PKD And A Possible Treatment Identified By Rong Li Lab

Categorie : Biology / Biochemistry
The Stowers Institute's Rong Li Lab has discovered that a protein previously shown to have a role in inflammation may also have a role in the formation of cysts in Autosomal Dominant Polycystic Kidney Disease (ADPKD) - one of the most common life-threatening genetic diseases - and has shown that a ...

read more The Stowers Institute's Rong Li Lab has discovered that a protein previously shown to have a role in inflammation may also have a role in the formation of cysts in Autosomal Dominant Polycystic Kidney Disease (ADPKD) - one of the most common life-threatening genetic diseases - and has shown that a read more Thu Jun 2008 Thu Jun 2008

Worm-like Marine Animal Providing Fresh Clues About Human Evolution

Categorie : Biology / Biochemistry
Research on the genome of a marine creature led by scientists at Scripps Institution of Oceanography at UC San Diego is shedding new light on a key area of the tree of life. Linda Holland, a research biologist at Scripps Oceanography, and her colleagues from the United States, Europe and Asia, have ...

read more Research on the genome of a marine creature led by scientists at Scripps Institution of Oceanography at UC San Diego is shedding new light on a key area of the tree of life. Linda Holland, a research biologist at Scripps Oceanography, and her colleagues from the United States, Europe and Asia, have read more Thu Jun 2008 Thu Jun 2008

Formation Of Magnetite By Bacteria And Its Application

Categorie : Biology / Biochemistry
Magnetic particles offer high technological potential since they can be conveniently collected with an external magnetic field. Magnetotactic bacteria synthesize bacterial magnetic particles (BacMPs) with well - controlled size and morphology. BacMPs are individually covered with thin organic membra ...

read more Magnetic particles offer high technological potential since they can be conveniently collected with an external magnetic field. Magnetotactic bacteria synthesize bacterial magnetic particles (BacMPs) with well - controlled size and morphology. BacMPs are individually covered with thin organic membra read more Thu Jun 2008 Thu Jun 2008

Light Alters Nociceptive Effects Of Magnetic Field Shielding In Mice: Intensity And Wavelength Considerations

Categorie : Biology / Biochemistry
A sixth sense, magnetoreception, has been demonstrated in animals from insects and snails to birds and rodents by two diverse groups of researchers. One group has been investigating the effects of magnetic fields on animal orientation and the other on perception of pain. Here we build a case for a s ...

read more A sixth sense, magnetoreception, has been demonstrated in animals from insects and snails to birds and rodents by two diverse groups of researchers. One group has been investigating the effects of magnetic fields on animal orientation and the other on perception of pain. Here we build a case for a s read more Thu Jun 2008 Thu Jun 2008

The Sweet Life: Diet Sugar Concentration Influences Paracellular Glucose Absorption

Categorie : Biology / Biochemistry
Small birds and bats face strong selection pressure to digest food rapidly in order to reduce mass carried during flight. One mechanism that may supplement active glucose uptake is absorption of glucose via the paracellular pathway (transfer between epithelial cells, not mediated by transporter prot ...

read more Small birds and bats face strong selection pressure to digest food rapidly in order to reduce mass carried during flight. One mechanism that may supplement active glucose uptake is absorption of glucose via the paracellular pathway (transfer between epithelial cells, not mediated by transporter prot read more Thu Jun 2008 Thu Jun 2008

Does Divergence In Female Mate Choice Affect Male Size Distributions In Two Cave Fish Populations?

Categorie : Biology / Biochemistry
Female mate choice can maintain male traits that impose a cost in terms of natural selection. For example, in livebearing fish of the family Poeciliidae, females prefer to mate with large sized males, which take longer to mature and are more susceptible to predation than small males. This leads to m ...

read more Female mate choice can maintain male traits that impose a cost in terms of natural selection. For example, in livebearing fish of the family Poeciliidae, females prefer to mate with large sized males, which take longer to mature and are more susceptible to predation than small males. This leads to m read more Thu Jun 2008 Thu Jun 2008

Bacteria Anticipate Coming Changes In Their Environment

Categorie : Biology / Biochemistry
A new study by Princeton University researchers shows for the first time that bacteria don't just react to changes in their surroundings -- they anticipate and prepare for them. The findings, reported in Science, challenge the prevailing notion that only organisms with complex nervous systems have t ...

read more A new study by Princeton University researchers shows for the first time that bacteria don't just react to changes in their surroundings -- they anticipate and prepare for them. The findings, reported in Science, challenge the prevailing notion that only organisms with complex nervous systems have t read more Thu Jun 2008 Thu Jun 2008

Hijacking Of Neural Crest Genes

Categorie : Biology / Biochemistry
In vertebrates, the peripheral nervous system and the craniofacial skeleton develop from a specific set of cells, known as neural crest cells. In this report, researchers in the laboratory of Dr. Marianne Bronner-Fraser at the California Institute of Technology have used the amphioxus genome sequen ...

read more In vertebrates, the peripheral nervous system and the craniofacial skeleton develop from a specific set of cells, known as neural crest cells. In this report, researchers in the laboratory of Dr. Marianne Bronner-Fraser at the California Institute of Technology have used the amphioxus genome sequen read more Thu Jun 2008 Thu Jun 2008

Impact Of Insulin Receptor Signaling Upon Synapses And Dendrites Shown For The First Time In Living Creatures

Categorie : Biology / Biochemistry
A team of neuroscientists at Cold Spring Harbor Laboratory (CSHL) has demonstrated for the first time in living animals that insulin receptors in the brain can initiate signaling that regulates both the structure and function of neural circuits. ...

read more A team of neuroscientists at Cold Spring Harbor Laboratory (CSHL) has demonstrated for the first time in living animals that insulin receptors in the brain can initiate signaling that regulates both the structure and function of neural circuits. read more Thu Jun 2008 Thu Jun 2008

Genome Sequence Of Small Marine Creature Sheds Light On Vertebrate Origins

Categorie : Biology / Biochemistry
Genome Research is publishing several papers related to analyses of the amphioxus (Branchiostoma floridae) genome sequence. The amphioxus, or lancelet, is a cephalochordate residing in shallow regions of tropical and temperate seas, bearing resemblance to a small fish, however lacking pairs of eyes ...

read more Genome Research is publishing several papers related to analyses of the amphioxus (Branchiostoma floridae) genome sequence. The amphioxus, or lancelet, is a cephalochordate residing in shallow regions of tropical and temperate seas, bearing resemblance to a small fish, however lacking pairs of eyes read more Thu Jun 2008 Thu Jun 2008

Human Reproductive Scientists Apply Skills To African Mammal Conservation

Categorie : Biology / Biochemistry
Scientists expert in the field of human reproduction have turned their attention to one of Africa's rarest and most iconic carnivores, the Ethiopian wolf. Though it has eluded captivity, the 400 remaining wolves have not escaped the attention of reproductive biologist Professor Bob Millar, Director ...

read more Scientists expert in the field of human reproduction have turned their attention to one of Africa's rarest and most iconic carnivores, the Ethiopian wolf. Though it has eluded captivity, the 400 remaining wolves have not escaped the attention of reproductive biologist Professor Bob Millar, Director read more Sat Apr 2008 Sat Apr 2008

24th Annual Meeting Of European Society Of Human Reproduction & Embryology

Categorie : Biology / Biochemistry
Reproductive medicine is one of the most exciting scientific and clinical areas. Every month brings announcements of research developments, medical 'firsts', new rulings by regulatory bodies, or ethical controversies - often sparking heated debate among practitioners in the field themselves, as well ...

read more Reproductive medicine is one of the most exciting scientific and clinical areas. Every month brings announcements of research developments, medical 'firsts', new rulings by regulatory bodies, or ethical controversies - often sparking heated debate among practitioners in the field themselves, as well read more Sat Apr 2008 Sat Apr 2008

Predator-Prey Interaction Recreated In A Petri Dish

Categorie : Biology / Biochemistry
The hunter-versus-hunted phenomenon exemplified by a pack of lionesses chasing down a lonely gazelle has been recreated in a Petri dish with lowly bacteria.Working with colleagues at Caltech, Stanford and the Howard Hughes Medical Institute, a Duke University bioengineer has developed a living syste ...

read more The hunter-versus-hunted phenomenon exemplified by a pack of lionesses chasing down a lonely gazelle has been recreated in a Petri dish with lowly bacteria.Working with colleagues at Caltech, Stanford and the Howard Hughes Medical Institute, a Duke University bioengineer has developed a living syste read more Sat Apr 2008 Sat Apr 2008

How Salmonella Escapes Immune Defenses

Categorie : Biology / Biochemistry
Salmonella are wily and obnoxious bacterial invaders--escape artists capable of evading multiple immune responses and causing a harsh and debilitating intestinal infection.Researchers have come closer to understanding how these bacteria manage to thwart two major categories of immune defenses at onc ...

read more Salmonella are wily and obnoxious bacterial invaders--escape artists capable of evading multiple immune responses and causing a harsh and debilitating intestinal infection.Researchers have come closer to understanding how these bacteria manage to thwart two major categories of immune defenses at onc read more Sat Apr 2008 Sat Apr 2008

Oral Drug For Pain From Cone Snails And Plants

Categorie : Biology / Biochemistry
Molecules from cone snail venom and African plants are being used by Queensland researchers as a blueprint to develop an oral drug to treat chronic pain.Professor David Craik and Dr Richard Clark from the Institute for Molecular Bioscience have received $218,275 from the National Health and Medical ...

read more Molecules from cone snail venom and African plants are being used by Queensland researchers as a blueprint to develop an oral drug to treat chronic pain.Professor David Craik and Dr Richard Clark from the Institute for Molecular Bioscience have received $218,275 from the National Health and Medical read more Sat Apr 2008 Sat Apr 2008

Kosan Presents Preclinical Data On Nuclear Export Inhibitors, Novel Anticancer Agents, At AACR

Categorie : Biology / Biochemistry
Kosan Biosciences Incorporated (Nasdaq: KOSN) presented preclinical data on its proprietary nuclear export inhibitors (NEI) showing potent in vitro and in vivo activity as well as tolerability in leukemia xenograft models, and further elucidating the NEI anticancer mechanism of action correlating ...

read more Kosan Biosciences Incorporated (Nasdaq: KOSN) presented preclinical data on its proprietary nuclear export inhibitors (NEI) showing potent in vitro and in vivo activity as well as tolerability in leukemia xenograft models, and further elucidating the NEI anticancer mechanism of action correlating read more Sat Apr 2008 Sat Apr 2008

HIV Might Spread More Quickly Within The Body Than Previously Thought, Monkey Study Indicates

Categorie : Biology / Biochemistry
Each rhesus monkey cell infected with the simian immunodeficiency virus, or SIV, produces at least 50,000 viruses over its life span, suggesting HIV spreads more rapidly than previously estimated, according to a study by researchers at Los Alamos National Laboratories, the ...

read more Each rhesus monkey cell infected with the simian immunodeficiency virus, or SIV, produces at least 50,000 viruses over its life span, suggesting HIV spreads more rapidly than previously estimated, according to a study by researchers at Los Alamos National Laboratories, the read more Sat Apr 2008 Sat Apr 2008

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