Secret sex life of killer fungus
... been linked to asthma, had always been thought to reproduce asexually. But a study by researchers at Nottingha... The University of Manchester. "If the fungus does reproduce sexually as part of its life cycle, then it might evolve more rapidly to become resistant to antifun......ggs inside the female body. Male mosquito fish can reproduce over a temperature range of 14-38C, but can only produce young at temperatures from 20C upwards. Females therefore carry sperm until a suitable temperature arises for fertilisation. Research showed that male fish are adapted to their environmental te...Secret sex life of killer fungus?
...gus has always been thought to lack the ability to reproduce sexually, but new discoveries by a multinational g...e results are important because if the fungus does reproduce sexually as part of its life cycle, it might evolve more rapidly to become resistant to antifungal d...African grey parrot is first bird to comprehend numerical concept akin to zero
...dent, in this case, a middle-aged parrot, tries to reproduce the correct behavior. So far, results using this learning technique with small groups of autistic children, taught by Diane Sherman, PhD, in Monterey, CA, have been very promising, said Dr. Pepperberg. "This kind of research is changing the way we th...New model for studying species distributions and the mid-domain effect developed
...ributions in geographical space have been shown to reproduce these hump-shaped gradients (termed "mid-domain effects"). Because randomizations do not explicitly include environmental factors, some have argued that such factors may be less important for biodiversity than previously thought. However, randomizat...Forsyth scientists find three bacteria associated with oral cancer
...e research The scientists plan future research to reproduce their results and to evaluate how well saliva tests predict the progression of pre-cancerous conditions toward oral cancer. The team also seeks to study the relationship of oral bacteria to a variety of cancers and diseases. According to Goodson, "T...Costly breeding programs for endangered species pay off
...spects that might not be the case for species that reproduce faster or have larger broods. For those animals, alternate breeding schemes might indeed prove more effective, and her group is conducting research to see if that's the case....Damage to sperm DNA affects older men's chances of fathering children
...his particularly significant. "Older men tend to reproduce with older women", he said, "and the combination of increased female factor infertility, increased sperm DNA damage, low levels of DNA repair, and increased abnormalities in conventional semen parameters present in this population will have a pronoun...New method of obtaining embryonic stem cells could reduce embryo wastage
...duce the wastage of precious material. "We plan to reproduce this experiment with human embryos. The procedures could be performed on single blastomeres, extracted from embryos during preimplantation genetic diagnosis (PGD) and which are destined to be transferred into women patients as part of assisted reprod...Insects develop resistance to engineered crops
...al-gene plants or mixed populations and allowed to reproduce for two years. The researchers found that after 26 generations of the insect living in the greenhouse with single-gene and dual-gene plants housed together, all the plants were eventually damaged by the insects, because over time, greater numbers of...Researchers create infectious hepatitis C virus in a test tube
...million people around the world. "The inability to reproduce aspects of the hepatitis C virus life cycle in cel... understood because scientists have been unable to reproduce an infectious form of HCV that they can observe in cell cultures. The method developed by Rice and h...Geckos: It's not always about sex
...of all-female geckos doesn't need sex or a male to reproduce and, contrary to expectations, these "Wonder Woman... the hybrid forms of Bynoe's geckos could not only reproduce through parthenogenesis, but were "super tough," just like a mule. Kearney shipped Bynoe's geckos...Einstein researchers identify new way that bacteria develop resistance to antibiotics
...st TB by interfering with the microbe's ability to reproduce itself. Specifically, the drugs target an enzyme called DNA gyrase, which helps untwist bacterial DNA during replication. However, TB has been developing resistance to fluoroquinolones due to their increasing use in treating multi-drug-resistant TB i......ke these products naturally are far too complex to reproduce with current genetic engineering techniques, Molinski said. One of their finds is phorboxazole, made by an Indian Ocean sponge collected by Molinski's team off the coast of Western Australia. Phorboxazole A is a potent toxin that in the laboratory, c...Ancient immune defense mechanism is no match for HIV-1
...can silence the ability of a virus to successfully reproduce itself. Although this mechanism has been artificially manipulated to selectively inhibit specific genes in mammalian cells, it was not known whether mammalian viruses naturally elicit this type of immunity in vertebrate cells. Drs. Yamina Bennasser ...Man, chimp difference may have made us prone to cancer
...perm cells, allowing more sperm to reach maturity, reproduce again and ensure that future cells will carry the gene that defuses early self-destruction. Unfortunately, this same machinery also allows cancer cells to live on. The researchers suspect that some mutations that allow sperm cells to increase their ...Two pioneers in genetic research win $250,000 March of Dimes prize
...ir genes with mice, gene-targeted mice are used to reproduce diseases that occur in humans. The March of Dimes Prize is a cash award of $250,000 and a silver medal in the design of the Roosevelt dime, in honor of President Franklin Delano Roosevelt, who founded the March of Dimes. "Before gene targeting, re...Creation of gene targeting earns Smithies March of Dimes honor
...ir genes with mice, gene-targeted mice are used to reproduce diseases that occur in humans. The March of Dimes Prize is a cash award of $250,000 and a silver medal in the design of the Roosevelt dime, in honor of President Franklin Delano Roosevelt, who founded the March of Dimes. "Before gene targeting, resea...Scientists take aim at virulent bacteria by decoding machinery of key control enzyme
...e. Dam must move quickly, because if the bacteria reproduce with the wrong methylation pattern, gene expression will be foiled and they will lose their virulence. "For the first time, using the 3-D crystal structure, we have been able to see the specific Dam structure in action, including the way it binds to ...Glaciers from Antarctic peninsula in widespread retreat, Science study says
... these glaciers, global circulation models need to reproduce the timing and geographic extent of the regional warming that has taken place on the Antarctic Peninsula, a concept that David Vaughan from the British Antarctic Survey in Cambridge, UK and colleagues covered in a "Perspective" article in the 07 Sept...