Growth in the sea comes down to a struggle for iron
...ton, but something odd occurs as these tiny marine plants continue to grow. They begin to starve in the mids...ient. And he went further than that. Since growing plants absorb carbon dioxide, a powerful greenhouse gas, he suggested that natural increases in iron inputs...Three bacterial genomes found lurking inside recently sequenced fruit fly genomes
...nisms. Mitochondria in animals and chloroplasts in plants are relic symbionts - captured bacteria that slowly lost their ability to live freely. It's clearly something that happens a lot in nature and has been very poorly characterized." Wolbachia made headlines a year ago with the publication of the genome...One year after groundbreaking, desert research center takes shape on the Israeli-Jordanian border
... life in central Arava that collected microbes and plants from 22 previously identified sites in both countries. The samples are being sent to Stanford and facilities in Jordan and Israel for analysis. "We'd like to examine these species, from their DNA to their physiology, to understand how they manage to ...Bugs, even 'bad' ones, can be educationally beneficial, new book says
... mere 2 percent are considered pests. Just as some plants growing where they are not wanted are considered weeds, insects are considered pests only when they adversely affect people, Waldbauer writes. For example, homeowners typically think of termites as pests, but in forests termites are important for rec...Wetlands clean water and may control neighborhood flood problems
...ry bog, in West Lafayette. The almost 11,000 water plants placed in the ponds are responsible, along with mi...s. Spence Restoration Nursery provided the wetland plants and Heritage Environmental, Indianapolis, provided water sample analysis....NASA satellite sees ocean plants increase, coasts greening
...shed a study showing that tiny free-floating ocean plants called phytoplankton had declined in abundance glo...place. Why is this important? Well, the tiny ocean plants help regulate our atmosphere and the health of our oceans. Phytoplankton produce half of the oxygen ...Man-made wetland's effectiveness similar to natural marsh
...connected by water flowing beneath the surface. No plants were planted in the wetland; rather, the builders let nature take its course, Mitsch said. Stands of trees surrounded part of the wetland. "This area once was a wetland," Mitsch said. "So it reverted pretty quickly to that kind of ecosystem when it h...Finding hidden invaders in a Hawaiian rain forest
...craft, scientists detected two species of invading plants that are changing the ecology of rain forest near the Kilauea Volcano in the Hawaii Volcanoes National Park. Lead author, Dr. Gregory Asner of the Carnegie Institution's Department of Global Ecology, explained: "We found chemical fingerprints from th...New tumor-suppressor gene discovered
...s. The mats gene is thought to be present in all plants and animals, and Lai's lab identified defective ma...h, we speculate that all mats genes in animals and plants may regulate cell number and tissue growth by restricting the proliferation of cells and promoting t...Domesticated pig's wild origin mapped
...ournal Science . The domestication of animals and plants some 10,000 years ago led to the most significant socioeconomic transformation in the history of humankind. Nevertheless, our knowledge of how this process took place is still highly limited. The domesticated pig provides a unique opportunity to stu...Defenseless plants arm themselves with metals
WEST LAFAYETTE, Ind. - A group of plants that uses metal to defend against infection may do...se the normal defense mechanism used by most other plants is blocked. Purdue University researchers found that this group of plants produces, but does not res...Researchers rein in regulatory RNAs
...in all life forms from viruses and prokaryotes to plants and animals. To date, most studies on SAT pairs have utilized purely in silico approaches; very few have experimentally validated the existence of overlapping RNA molecules in vivo. With this in mind, Dr. Hidenori Kiyosawa, the lead author on the ...Researchers discover chemical compounds that affect plant growth
...dentify novel compounds that affect the ability of plants to alter their direction of growth in response to gravity, a phenomenon known as gravitropism. The researchers screened a library of 10,000 small molecules, the practice is known as chemical genomics, to identify those that could positively or negat...From lobster flock to lobster feast?
...of conch and other species from seafood processing plants and elsewhere, but this is not an economic option at larger scales. A final goal of the new project will be to determine if increased availability of lobster might make higher-value options, such as selling live or whole spiny lobster, possible. ...Desert plant may help treat insidious tropical diseases
... African Green Monkey. Extracts from these related plants were among the best inhibitors of parasite growth while showing lesser effects on the kidney cells. While there are several forms of leishmaniasis, the most common forms affect the surface of the skin (cutaneous leishmaniasis) or the internal organs ...Yale scientists find microRNA regulates Ras cancer gene
...ng cancer as a regulator of Ras expression. DNA of plants and animals contains sequences encoding microRNAs, important regulators of development, that control processes determining cell type and cell death. "The let-7 microRNA regulates Ras by binding to the message for Ras and likely inhibits translation ...UF researcher: Ideas about fossil horses undergo evolution in thinking
...heir skeletons and teeth the carbon content of the plants they eat, he said, and grasses photosynthesize carbon differently than do leaves, shrubs or trees. John Flynn, Frick Curator of fossil mammals at the American Museum of Natural History, said MacFadden's findings are important because the history of ...A regulatory network analysis of phenotypic plasticity in yeast
...nmental change. For example, genetically identical plants grown in sun versus shade will soon look very different from one another. It turns out that some species are more plastic than others. Until now, we have not been able to determine what kinds of genes determine whether or not an organism displays phe...Mitsubishi offsets carbon footprint through investment in Madagascar's rain forest
...lancing the needs of our people and preventing the plants and animals of our country from going extinct. Org...onomic distinction after "species" and "Genus") of plants and animals that are found nowhere else on earth. Each biodiversity hotspot has already lost over 7...South America's vast pantanal wetland may become next everglades, UNU experts warn
...es, and the species composition and functioning of plants will be altered, particularly the efficiency with ... may occur between the new climatic conditions and plants that have adapted to current conditions over centuries. "Maintenance of wetlands in their current s...