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ScienceDaily: Plants & Animals News |
Green turtle: The success of the reintroduction program in Cayman Islands Posted: 18 Jan 2019 09:30 AM PST The reintroduction program for the green turtle in the Cayman Islands has been crucial in order to recover this species, which are threatened by the effects of human overexploitation, according to the first genetic study of the green turtle's reintroduction program in this area of the Atlantic ocean. |
Scientists discover natural fitness watch in fishes that records their activity levels Posted: 18 Jan 2019 09:30 AM PST Scientists have shown for the first time that the energetic cost of living (the metabolic rate) of fish can be measured in structures that grow in their ears. This new tool can be used to show how fish are influenced by and adapt to changes in their environment, including climate change. |
Fighting deadly drug resistant bacteria in intestines with new antibiotic Posted: 18 Jan 2019 09:29 AM PST Clostridium difficile infection (CDI) is a potentially deadly infection in the large intestine most common in people who need to take antibiotics for a long period of time, particularly in Australia's ageing population. But when doses of a new antibiotic called Ramizol were given to hamsters infected with a lethal dose of the bacteria, a significant proportion of hamsters survived the infection. |
Killer blows? Knockout study of pair of mouse MicroRNA provides cancer insight Posted: 18 Jan 2019 08:08 AM PST Researchers used knockout mouse models created by gene editing to reveal that the miRNA miR-146b, like miR-146a, is involved in the development of cancers, with them having similar but not identical effects. The knockout mice should help in the fight against cancers involving miRNA dysregulation. |
Mangrove patches deserve greater recognition no matter the size Posted: 18 Jan 2019 08:08 AM PST Governments must provide stronger protection for crucial small mangrove patches, experts say. |
Mediterranean freshwater fish species susceptible to climate change Posted: 18 Jan 2019 08:08 AM PST Climate change will strongly affect many European freshwater fish species. This is particularly the case for species in the Mediterranean region. |
Potential biotech and health applications with new knowledge on bacteria and viruses Posted: 18 Jan 2019 06:59 AM PST New research to better understand how bacteria and their viruses interact and evolve will enable future studies to exploit the use of bacteria and their viruses for potential biotechnology and health applications. |
Plant peptide helps roots to branch out in the right places Posted: 18 Jan 2019 06:59 AM PST How do plants space out their roots? A research team has identified a peptide and its receptor that help lateral roots to grow with the right spacing. |
Unraveling of 58-year-old corn gene mystery may have plant-breeding implications Posted: 18 Jan 2019 05:32 AM PST In discovering a mutant gene that 'turns on' another gene responsible for the red pigments sometimes seen in corn, researchers solved an almost six-decades-old mystery with a finding that may have implications for plant breeding in the future. |
Why do Hydra end up with just a single head? Posted: 18 Jan 2019 05:31 AM PST Hydra is able to regenerate any part of its body to rebuild an entire individual. The head organizer performs two opposite activities, one activating, which causes the head to differentiate, and the other inhibiting, which prevents the formation of supernumerary heads. Researchers have discovered the identity of the inhibitor, called Sp5, and deciphered the dialogue between these two antagonistic activities, which helps maintain a single-headed adult body and organize an appropriate regenerative response. |
Bee surveys in newest US national park could aid pollinator studies elsewhere Posted: 17 Jan 2019 02:52 PM PST Declines in native bee populations are widely reported, but can existing data really analyze these trends? Entomologists report findings about pollinator biodiversity in California's Pinnacle National Park derived from three separate surveys spanning 17 years and say similar studies in other areas are needed. |
Scientists learn how common virus reactivates after transplantation Posted: 17 Jan 2019 11:21 AM PST A new study challenges long-held theories of why a common virus -- cytomegalovirus, or CMV -- can reactivate and become a life-threatening infection in people with a compromised immune system, including blood cancer patients undergoing bone marrow transplantation. |
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