Early Human-Like Skeletons Are First Outside of Africa
... remains -- the earliest members of the Homo genus
found to date outside of Africa -- are telling ... and more upright gait that characterizes the genus
Homo , to which modern humans belong.
In Africa, the Homo genus
included first Homo habilis and then the ...
Fossils Push Back Bipedalism to 6 Million Years Ago
... Paranthropus -- inhabited East Africa just prior to the emergence of the genus
Homo , which includes today's Homo sapiens .
That means that "the ... that we have today," Richmond said. "We see the origins of the genus
Homo then, with these long striding legs, a very different kind of body ...
Arizona researchers to sequence West African rice strain
... relatives as well. They, as well as Wing and Rounsley, belong to an initiative known as the International Oryza Map Alignment Project (Oryza is the genus
rice belongs to), or I-OMAP.
I-OMAP seeks to sequence all 23 rice species. "We're essentially trying to tear apart the whole genus, to understand ...
In Summertime, the Livin' Can Be Buggy
... that can become a serious medical problem."
Ticks can carry Lyme disease, which is caused by one of three species of bacteria belonging to the genus
Borrelia . In 70 to 80 percent of cases, the first symptom is a bull's eye-shaped skin rash called erythema migrans, which shows up between three ...
Bacteria with a built-in thermometer
... Research (HZI) in Braunschweig and the Braunschweig Technical University could now demonstrate for the first time that bacteria of the Yersinia genus
possess a unique protein thermometer the protein RovA - which assists them in the infection process. RovA is a multi-functional sensor: it measures ...
Discovery in amber reveals ancient biology of termites
... as outlining this age-old example of mutualism, the new study revealed 10 new fossil flagellate species of protozoa, a new species of termite, a new genus
of fossil amoeba and 14 additional trophic and encysted protist stages.
Poinar for many years has studied life forms and other material found ...
Advanced Analytical Reveals New Platform for Rapid Genotypic Identification of Microorganisms at ASM 2009
... hours by producing a genetic fingerprint or PROfile. The generated fingerprint when compared to a database of known organisms can be used for either genus
species or strain typing and tracking.
Because of its ease of use and speed, the DNA PROfiler (TM) is a game-changer in the field of genotypic ...
Fish researcher demonstrates first 'non-visual feeding' by African cichlids
... navigation around obstacles, and the detection of predators and prey.
According to Jacqueline Webb, a URI professor of biology, cichlids in the genus
Aulonocara, which only live in Lake Malawi, have widened lateral line canals that are highly sensitive to vibrations and water flows. They feed by ...
Researchers solve mystery of deep-sea fish with tubular eyes and transparent head
... Barreleyes share their deep-sea environment with many different types of jellies. Some of the most common are siphonophores (colonial jellies) in the genus
Apolemia . These siphonophores grow to over 10 meters (33 feet) long. Like living drift nets, they trail thousands of stinging tentacles, which ...
NC State researchers find new bartonella species that infects humans
... Ricardo Maggi isolated the bacterium Bartonella melophagi from samples of human blood.
B. melophagi is such a newly discovered member of the genus
Bartonella it is considered a "Candidatus" species, meaning that its name has yet to be formally accepted. In nature, sheep are the most likely ...
Biologist finds plant polymerases IV and V are really variants of Polymerase II
... Pol IV and Pol V in other non-plant eukaryotes.
The research revealing the subunit compositions of RNA Polymerases II, IV and V in the plant genus
Arabidopsis was published online Dec. 23, 2008 in Molecular Cell . The work was supported by the National Institutes of Health and the U.S. ...
Broccoli compound targets key enzyme in late-stage cancer
... Firestone, Bjeldanes and their colleagues have studied the anti-cancer benefits of vegetables in the cabbage family that are lumped together in the genus
Brassica and, because of their cross-shaped flowers, are often referred to as cruciferous vegetables.
Though the anti-cancer benefits have been ...
Genetic Research Offers Insights Into Form of Malaria
... focused on the Plasmodium falciparum parasite, which causes the most virulent form of the disease. But P. vivax and other parasites of the same genus
as P. falciparum also cause malaria.
It's believed that P. vivax causes nearly 300 million cases of malaria worldwide each year. While it is ...
New therapeutic options for diabetes-related tissue injury
... investigators from Boston
University report results from a study demonstrating that omega-6 and omega-3 fatty acids are precursors to a powerful
of anti-inflammatory and pro-resolution mediators, coined 'resolvins' and 'protectins'. These new local mediators
counter-regulate pro-inflammatory ...
Geneticists at the American Museum of Natural History trace the evolution of St. Louis encephalitis
... Kolokotronis, and Eric Waltari sequenced the entire genetic code of 23 strains of the virus that cause St. Louis encephalitis, all from the genus
Flavivirus. Previous research had found that recombination (the cutting and pasting of strands of genetic material, in this case RNA) explained the ...
Huge virulence gene superfamily responsible for devastating plant diseases
... there are more than 80 species of Phytophthora pathogens, these findings imply that there are more than 30 000 members of this superfamily within the genus
Proteins arising from the Avh superfamily have very different amino acid sequences but share two common motifs at one end of the ...
New bacteria contaminate hairspray
... to show that it is an entirely new species. It has been named in honour of Dr Kazunori Hatano, for his contribution to the understanding of the genus
Microbacterium, says Dr Bakir. Microbacterium hatanonis is rod-shaped and grows best at 30C and pH neutral.
Scientists now need to determine the ...
The onchocerciasis parasite showing signs of resistance
... is an infection caused by Onchocerca volvulus, a parasite nematode worm transmitted to humans by a species of black fly of the Simulium genus
whose larvae develop in fast-flowing rivers. Infected subjects suffer not only from severe skin lesions but also eye damage that can lead to ...
Climate change, gender differences, health among EurekAlert! 10 Most Popular Stories in 2007
... both published in New Scientist -- about new theories involving the state of matter and the speed of light, and a story about the discovery of a new genus
and species of dinosaur, Glacialisaurus hammeri, rounded out the list.
10 Most Popular Stories List
The titles of the 10 most popular stories ...
McGill researchers report breakthrough in rapid malaria detection
... less labour-intensive detection of the malaria parasite in blood samples.
Malaria is a vector-borne infectious disease spread by parasites of the genus
Plasmodium. Most common in tropical and subtropical regions, it is a global scourge with 350 to 500 million new cases and one to three million ...
Neanderthal bearing teeth
... human, was estimated to be in fact about 8 years old at death. This pattern of development appears to be intermediate between early members of our genus
(e.g., Homo erectus) and living people, suggesting that the characteristically slow development and long childhood is a recent condition unique to ...
Tree named in honor of Virginia Tech chemist David G.I. Kingston
... in 1998.
This is not the first time Kingston has been honored with a plant naming. In 2001, a newly discovered South American tree of the genus
Cordia, was named Cordia kingstoniana . It was named by James Miller of the Missouri Botanical Garden, who collaborated with Kingston in his ...
Professionals in bioscience, food-related industries turn to K-State
... each summer. The next workshop will be June 13-20, 2008, at K-State.
Every other year, K-State attracts scientists worldwide to a workshop on a genus
of fungi called Fusarium. John Leslie, professor and head of the plant pathology department at K-State, has been organizing the workshop since 2000. ...
Water Hyacinth is Used for Health Improvements in Africa
... Africas Lake Victoria.
Two insect biocontrol species, weevils in the genus
Neochetina, were used, along with mechanical removal, to control the ... use of two insects that are natural enemies of the weed--weevils in the genus
Neochetina--N. bruchi and N. eichhorniae, both natives of South America. ...
First Genetically Engineered Maize Resistant to Maize Streak Virus Produced in S. Africa
... of a maize crop.
They are endemic to sub-Saharan Africa and adjacent Indian Ocean islands where they are transmitted by leafhoppers in the genus
Maize can supply 50 percent of the caloric intake in sub-Saharan Africa but, in certain years, a farmer's entire crop can be ...
Size and Position of Floral Anther Plays a Vital Role in Pollination
... Journal of Plant Science, Dr. Endress and his coauthors Brigitte Marazzi and Elena Conti, compared floral structures across numerous species of the genus
Senna in the pea family.
These flowers are specialized to be pollinated by bees that release the pollen through vibrations caused by their ...
How Plague-Causing Bacteria Disarm Host Defense
... including means to fight antibiotic-resistant strains of Yersinia that could be used in biological warfare, according to Navarro.
Yersinia includes three species of bacteria that are pathogenic to humans: Y. pestis is perhaps the most infamous, being responsible for the bubonic ...
FDA Re-Emphasizes Warnings to Consumers on Risks of Pet Turtles
... infant in Florida died of infection traced to Salmonella pomona, a bacteria that was also found in a pet turtle in the home.
Salmonella is the genus
name of a number of bacteria commonly associated with food poisoning from contaminated or undercooked foods, and salmonellosis is the disease the ...
Human Skin Harbors Many More Types of Bacteria
... Species or SLOTUs are small categories. There are larger groupings such as genera and phyla. Humans, for example, belong to the phylum chordata, the genus
Homo and the species Homo sapiens.
The molecular method used in this study revealed differences between the bacterial populations in individuals. ...
Rift Valley Fever Outbreak in Nairobi
... animals like sheep, cattle and goats. It is spread to human beings through the bite of the infected mosquito. The RVF virus belongs to Phlebovirus genus
belonging to Bunyaviridae. family.
Headache, fever, muscle pain, back ache are the common symptoms. In severe cases persons may suffer from ...
Toxoplasma Linked to a Protein
... the reason why the common parasite Toxoplasma,// does not cause harm to most people, but could make many others seriously ill.
Toxoplasma is a genus
of parasitic protozoa which is carried by cats, but can also be passed on by many other warm-blooded animals, even humans. Toxoplasma causes the ...
First Potential Treatment for Dengue
... Millions of people are affected by dengue globally. Dengue is a viral disease transmitted by mosquitoes of the genus
Aedes. Dengue shock syndrome is a fatal shock associated// with severe blood loss, though there may or may not be any hemorrhage. The pathology of ...
Malaria: The Invincible Might of a Parasite, Nestled in a 'Mite'
... mockery of the efforts undertaken by scientists the world over.
Malaria is a disease that is set into action by the protozoan parasites of the genus
Plasmodium and is considered a lethal vector borne disease. Four species of Plasmodium triggers the disease in several forms. They are Plasmodium ...
New Approach Assesses Risk of Water-Borne Pathogen Disease
... in environmental surface waters at urban and rural sites in the Peruvian Amazon region of Iquitos. Leptospirosis, caused by bacteria of the genus
Leptospira, is the most common disease in the world transmitted from animals to humans.
Annually, tens of millions of human cases of ...
Kala-azar Outbreak In Kenya
... District in Northern Kenya have died at Wajir district hospital in the past month from Kala azar, a tropical infection caused by protozoa// of the genus
Leishmania, which are spread by sand flies.
It spreads to people through the bite of the sand fly carrying the parasite, Leishmania donovani. ...
Infections Of The Oral Cavity Can Be Treated By Photodynamic Therapy
... of the present study found that minimal doses of PDT delivered to organisms such as S. mutans (a bacteria) and fungal organisms belonging to the genus
Candida (obtained from HIV/AIDS patients) resulted in enhanced killing, both in culture plates and biofilms grown on denture material.
In the ...
The Novel Cut and Splice Method Is Used To Recognize Different Microbes
... plus enough unique genetic information to tell the microbes apart.
This unique genetic information can identify all community members down to the genus
level, and most to the species level. Sequencing is expensive and because of this 10 to 30 of them are glued together to sequence all at one time, ...
Beneficial Symbiotic Relationship Between Ants And Bacteria.
... bacteria in the crescent-shaped pits on their exoskeletons.
The bacteria that are symbiotically associated with the ant species belongs to the genus
Pseudonocarida. The bacteria are present on the faceplates and exterior parts of the ant, which facilitates in the easy dispersal of the anti ...
Citrinin, a fungal toxin, induces apoptosis via mitochondrial pathway
... The Mycotoxin citrinin (CTN) is a secondary metabolite produced by several fungal species that belong mainly to the genus
Penicillium and Monascus. It is widely considered as a hazard contaminant of foods// and feeds, including corn, wheat, rice, barley and nuts, and is ...