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    Research Progress
    Linking climate change to population cycles of hares and lynx| 2013-10-22
    The 10-year population cycles of snowshoe hares and Canada lynx are the classic example of race between prey and predator in the ecological textbooks. By the use of historic fur harvest data, we find predation is necessary but not sufficient in causing the observed 10-yr cycles; while extrinsic climate factors are important in producing and modifying the sustained cycles. We find recent climate...more
    Further research published on New Phytologist found that elevated CO2 increas...| 2013-09-29
    Elevated CO2 modifies the performance of herbivorous insects mainly by altering host plant nutritional quality and resistance. We previously reported that elevated CO2 enhanced biological nitrogen fixation (BNF) of Medicago truncatula , which resulted in an increased supply of amino acids to the pea aphids ( Global Change Biology 2013, 19: 3210-3223 ). Current study examined the N nutritional q...more
    A recent research concerning the effect of elevated CO2 on the interaction be...| 2013-08-27
    Global atmospheric CO2 concentration has been increasing at an accelerating rate, and is anticipated to reach at least 750 ppm by the year 2100 (IPCC, 2007). Rising atmospheric CO2 levels can dilute the nitrogen (N) resource in plant tissue, which is disadvantageous to many herbivorous insects. Aphid, a phloem sucker insect, appear to be an exception that warrants the further study. The current...more
    Enhanced sensitivity to higher ozone in a pathogen-resistant tobacco cultivar| 2011-11-28
    Investigations of the effects of elevated ozone (O3) on the virus-plant system were conducted to better inform virus pathogen management strategies. One susceptible cultivar of tobacco (Nicotiana tabacum L. cv. Yongding) and resistant cultivar (Nicotiana tabacum L. cv. Vam) to Potato virus Y petiole necrosis strain (PVYN) infection were grown in open-top chambers under ambient and elevated O3 c...more
    Effects of transgenic Bt cotton on overwintering characteristics and survival...| 2011-01-25
    The cotton bollworm, Helicoverpa armigera, is one of the most serious insect pests of cotton, corn, peanut, vegetables, and other crops throughout Asia. There are four or five generations of cotton bollworm per year in northern China and overwinters as a diapausing pupa. Previous research indicated that transgenic Bt cotton affect development and reproduction of the cotton bollworm, and that a ...more
    Anti-predator defence drives parallel morphological evolution in ?ea beetles| 2011-01-10
    Predator–prey interactions are well established as a driving force in organismal evolution, and predator-related natural selection may bring about major changes in morphology and behaviour in evolutionary lineages. Yet, the mechanisms determining the outcome of these evolutionary interactions are unclear: prey and predators may change in response to each other in a coevolutionary‘arms race’,...more
    Desert hamsters remain homeothermic and very active during cold acclimation w...| 2010-12-23
    Desert hamsters (Phodopus roborovskii) are one of the 3 species in genus Phodopus with a body mass of only around 20g. Compared with the plentiful knowledge about Siberian hamsters (Phodopus sungrus), which also belong to the same genus and are very famous as a model in seasonal adaptation research, there is only limited information about the energetics and thermal physiology in desert hamsters...more
    Elevated CO2 shifts the focus of tobacco plant defences from cucumber mosaic ...| 2010-11-26
    The effects of Elevated CO2 on plant defences to phytophagous insects and plant virus attract increasing attention recently. Elevation in CO2 concentration broadly impacts plant physiological characteristics, which influences herbivores and biotrophic pathogens, which in turn regulate the plant defensive response. In recent study of Ge Feng’s research team, responses of tobacco plants to stres...more
    Regulation of neuropathy target esterase by the cAMP/protein kinase A signal| 2010-08-30
    Neuropathy target esterase (NTE) was identi?ed as the primary target of the organophosphorus compounds (OP) that cause a syndrome calledOP-induced delayed neuropathy (OPIDN), characterized by paralysis of the lower limbs due to degeneration of long axons in the spinal cord and peripheral nerves. It has been suggested that the inhibition and subsequent ageing of NTE initiates OPIDN. more
    Mutualistic invasion of the invasive red turpentine beetle and its fungal ass...| 2010-07-20
    Recent studies have investigated relationships between pairs or groups of exotic species to illustrate invasive mechanisms, but most have focused on interactions at a single trophic level. Here, we conducted pathogenicity tests, analyses of host volatiles, and fungal growth tests to elucidate an intricate network of interactions between the host tree, the invasive red turpentine beetle, and its...more
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