Arabidopsis thaliana (L.) Heynh. has been described as a freezing-tolerant species based on freezing-resistance assays. Nonetheless, this type of experiment does not discriminate between freezing-tolerance and freezing-avoidance mechanisms. The purpose of this paper was to determine which of these two freezing-resistance mechanisms is responsible for freezing resistance in A. thaliana. This was...

The virulence of two products of the fungus Beauveria bassiana (LCPP and Bassianil) on adult Anastrepha ludens (Loew) (Diptera: Tephritidae) and their effect on the mating performance of infected males was evaluated in laboratory and field cage tests. The horizontal transmission capacity of the fungus during copulation or attempted copulation also was quantified using inoculated males as well a...

BACKGROUND The nosology of the psychosis high-risk state is controversial. Traditionally conceived as an 'at risk' state for the development of psychotic disorders, it is also conceptualised as a clinical syndrome associated with functional impairment. AIMS To investigate meta-analytically the functional status of patients at high clinical risk for psychosis and its association with longitudi...

OBJECTIVES Assessment of the Hardy-Weinberg proportion (HWP) in controls has been widely used as a quality control measure in case-control association studies. However, when the disease being studied is common, controls might not represent the general population, which could result in inaccurate HWP test results. Such results could lead investigators to discard important single-nucleotide polym...

Let T be a Calderon-Zygmund operator, a classical result of Coifman, Rochberg and Weiss (see [7]) states that the commutator [b, T ] = T (bf)−bTf (where b ∈ BMO(Rn)) is bounded on Lp(Rn) for 1 < p < ∞; Chanillo (see [2]) proves a similar result when T is replaced by the fractional integral operator. However, it was observed that [b, T ] is not bounded, in general, from Hp(Rn) to Lp(Rn) for p ≤ ...

We give necessary and sufficient conditions on a pair of positive radial functions V and W on a ball B of radius R in R, n ≥ 1, so that the following inequalities hold for all u ∈ C 0 (B):

The study of fungal antibiotics in their competitive interactions with arthropods may lead to the development novel biorational insecticides. Extracts Alternaria tenuissima MFP253011 obtained using various methods showed a wide range biological activities, including entomotoxic properties. Analysis composition and bioactivity allowed us reveal several known mycotoxins unidentified compounds tha...

Seven new species of Euphranta Loew are described, viz., Euphranta dysoxyli David, sp. nov., E. hyalipennis David & Freidberg, sp. nov, E. diffusa David, sp. nov., E. haldwanica Hancock & Goodger, sp. nov. and E. thandikudi David, sp. nov. from India; E. neochrysopila David, Freidberg, Hancock & Goodger, sp. nov. from Sri Lanka and E. ridleyi Hancock & Goodger, sp. nov. from Singapore. Notes ar...

stearoyl-coa desaturase (scd) is a rate-limiting enzyme in the biosynthesis of monounsaturated fatty acids (mufa). a number of studies support the hypothesis that scd gene regulation and polymorphism may affect fatty acid composition and fat quality in meat and milk. single nucleotide polymorphisms in the coding region of the bovine stearoyl-coa desaturase gene have been predicted to result in ...