... shortcomings for green lacewing larvae and documenting that Bt toxins - both of microbial origin and of plant-origin - caused significant lethal effects in green lacewing larvae when administered directly ... this commentary and Hilbeck and Schmidt [13] for extensive comparison of the statistical values and experimental methodologies) It is time to move beyond this dogmatic denial and ‘killing the ... AH, together with MM and MT and along with the inspiration from numerous colleagues far beyond the circle of authors of this and the parallel science article, discussed and developed the arguments...
Ngày tải lên: 21/06/2014, 19:20
... of freeliving nematodes more distantly related to Caenorhabditis than are Oscheius and Pristionchus, and it encompasses many different ecologies and reproductive modes Burnell and colleagues ... Panagrolaimus species and is much more difficult in C briggsae (the efficiency of establishing lines is lower and there is more silencing and mosaicism [12]) Transgenesis in parasitic nematodes has so ... culturable ‘free-living’ nematodes may be sensitive to RNAi The situation is different for nematodes of medical or economic interest So far, only a few key species have been tested, and we can now expect...
Ngày tải lên: 06/08/2014, 18:21
Tài liệu Báo cáo khoa học: A zymogen form of masquerade-like serine proteinase homologue is cleaved during pro-phenoloxidase activation by Ca2+ in coleopteran and Tenebrio molitor larvae docx
... TCA and subjected to SDS/PAGE and then immunoblotting with the affinity-purified antibody raised against the 45-kDa Tm-mas solution was preincubated with p-NPGB and p-APMSF, and then calcium and ... Tenebrio 79-kDa pro-PO, and (B) 55-kDa Tm-mas in HW-55S solution by incubation with Ca2+ and b-1,3-glucan and the effects of serine proteinase inhibitors on (C) PO activity and (D) proteolysis of ... precipitated with TCA and subjected to SDS/ PAGE and then immunoblotting with the affinity-purified antibody raised against the Tenebrio 79-kDa pro-PO and 45-kDa Tm-mas (A) The 79-kDa and 76-kDa bars...
Ngày tải lên: 21/02/2014, 03:20
A guide to larvae and juveniles of some common fsh species from the Mekong River Basin
... each species include hand-drawn figures of the stages of development of each species from early larvae, through pre -larvae and post -larvae to juvenile fish The descriptions and tabulations cover ... Cambodia, Thailand and Viet Nam For each species, a series of specimens at various stages was built up, and then for each stage the important diagnostic features were measured and/ or counted, and drawings ... terminal mouth and long gut; slightly hunch-backed nape has 38–41 myomeres and 26–29 pre-anal myomeres Large gap between dorsal and anal fins Larvae have pigmentation on head and trunk No pigmentation...
Ngày tải lên: 14/03/2014, 08:46
Báo cáo khoa học: Differential tissue-specific distribution of transcripts for the duplicated fatty acid-binding protein 10 (fabp10) genes in embryos, larvae and adult zebrafish (Danio rerio) docx
... intestine and testis of adult zebrafish and only in the liver of zebrafish embryos and larvae [6] By contrast, zebrafish fabp10b transcripts were only detected in the olfactory vesicles of embryos and larvae ... in muscle and heart were 6–24 times higher than in brain, eye, gills, testis, skin, kidney and swimbladder, and 320–650 times higher than in liver, intestine and ovary Both RT-PCR and RT-qPCR ... highest sequence identity and similarity (48% and 74%, respectively) with shark FABP10, and the next highest sequence identity and similarity with zebrafish Fabp10a (46% and 75%, respectively) (Fig...
Ngày tải lên: 16/03/2014, 00:20
Báo cáo khoa học: Characterization of a Cry1Ac-receptor alkaline phosphatase in susceptible and resistant Heliothis virescens larvae potx
... Immunoblotting and specific alkaline phosphatase activity of BBMV proteins from susceptible and resistant larvae provided evidence that decreased HvALP levels were produced in YHD2 larvae Our results ... Cry1Ac toxicity to H virescens larvae Materials and methods Insect strains and brush border membrane vesicle (BBMV) preparation H virescens laboratory strains YDK and YHD2 have been described previously ... susceptible YDK larvae [19] After continuous selection with Cry1Ac, levels of resistance increased to 73 000-fold [11] Fifth instar larvae from each strain were dissected and midguts frozen and kept...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: Modelling and simulating interleukin-10 production and regulation by macrophages after stimulation with an immunomodulator of parasitic nematodes potx
... activation of ERK (transient) and p38 (sustained) Both models present weak and transient ERK and strong and sustained p38 activation Changing the Av17 stimulus shows that both ERK and p38 control the amplitude ... the production and regulation of this cytokine via Av17 Understanding what is the receptor addressed by Av17 could pave the way to understanding the dynamics of Av17 and macrophages and allow refining ... induction and regulation by the helminthic immune modulator Av17 Av17 binds to the macrophage and activates the p38 signalling pathway (which will activate the transcription factors SP1 and STAT3) and...
Ngày tải lên: 29/03/2014, 23:20
Báo cáo lâm nghiệp: "How to identify larvae of the protected species: Dioszeghyana schmidtii (Diószeghy 1935), and survey its presence and abundance (Lepidoptera: Noctuidae; Hadeninae)" pot
... flowering of Rosa canina and Tilia cordata Larvae of D schmidtii are often accompanied on oaks, maples and hornbean by other larvae of several Lepidopterids (as well as larvae of Hymenoptera: Symphyta; ... determine the habitats where the species lives, and in so doing, protect the self-same habitats For this reason, it is imperative to study and survey larvae, and not only adults The results of such studies ... of abdominal legs and 5 pairs of stemmata on sides of head (Lepidoptera larvae) – Larva with more than pairs of abdominal legs and with stemma on sides of head larvae of Tenthredinidae...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo khoa học: " Effect of ultraviolet radiation on the hatchability and survival of eggs and larvae of sheep nematode" doc
... six petridishes and put in an incubator at 27oC for 48 hours By then the parasites had developed to first stage larvae The larvae were then exposed to radiation as described above and later returned ... radiation level dependent Irradiated larvae life span Direct exposure of nematode larvae to U.V had an inhibiting effect on the rate of activity and survival of the larvae The findings are presented ... ultraviolet radiation on the hatchability and survival of eggs and larvae of sheep nematode 61 Table The survival rate of ultraviolet radiated nematode larvae Time of observation (days) Radiation...
Ngày tải lên: 07/08/2014, 17:22
Báo cáo khoa học: "Effect of endomycorrhizas and nematodes on the growth of seedlings of Dicorynia guianensis Amshoff, a tree species of the tropical rain forest in French Guiana " docx
... endomycorrhizas, nematodes and growth of D guianensis seedlings MATERIALS AND METHODS The experiment was set up according to a fully randomized block design, with four treatments, four blocks and ten ... Aublet and Recordoxylon speciosum Benoist Norm and Mar) the same in the non-disinfected soils A and B Moreover, the similar mycorrhizal colonization and biomass production recorded with root and ... (Béreau and Garbaye, 1994) ance The analysis of variance of the data was first performed two-ways (four blocks and four treatments) for detecting general effects, and then one-way (four treatments and...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo khoa học: "Quantitative variations of taxifolin and its glucoside in Pinus sylvestris needles consumed by Diprion pini larvae" pptx
... with first instar larvae reared in growth chamber (15.30/8.30 h photoperiod, 16°C temperature) Larvae were fed with clones (627 and 649 with F1 and F2; 733 and 875 without F1 and F2) for 12 d ... of flavonols and proanthocyanidins (Laracine-Pittet and Lebreton, 1988) and the absence or presence of taxifolin and its inheritance were studied (Lebreton et al, 1990; Yazdani and Lebreton, ... co-chromatography with standard glucose and by co-chromatography in HPLC with commercial taxifolin and their UV spectra were compared Spraying of standard taxifolin pine shoots on A solution of standard taxifolin...
Ngày tải lên: 08/08/2014, 19:21
Báo cáo y học: " Molecular characterization of Chikungunya virus isolates from clinical samples and adult Aedes albopictus mosquitoes emerged from larvae from Kerala, South India" pot
... searched for Ae albopictus larvae Third and fourth instar larvae and pupae were phenotypically identified in situ using standard keys and these were collected and transferred to containers with fresh ... CHIK patients and collecting blood samples RNU did the collection, identification and rearing of mosquito larvae ES conceived the study and drafted the manuscript All authors read and approved ... to containers with fresh water Four households each in Olavanna and Chaliyum, and three households in Beypore were surveyed Larvae and pupae collected from each location were made into a single...
Ngày tải lên: 12/08/2014, 04:20
Báo cáo khoa học: "Optimization of the Agar-gel Method for Isolation of Migrating Ascaris suum Larvae From the Liver and Lungs of Pigs" pptx
... present study was to optimize and standardize the agar-gel method for fast and reliable isolation of migrating A suum larvae from pig livers and lungs Materials and methods Experimental pigs ... times more larvae than 30 sec blending Blending to very small tissue pieces on one hand facilitates the migration of larvae, while it on the other hand also must increase the number of larvae that ... other contexts (Andersen & Watson 1973) The present results recommend a standardization of the agar-gel method for recovering of A suum larvae from pig livers and lungs This standard method includes...
Ngày tải lên: 12/08/2014, 15:20
Báo cáo khoa học: "Filarioid nematodes in cattle, sheep and horses in Finland" ppt
... Finland and sheep from the provinces of Lapland and Oulu In slaughterhouses, samples were taken from all slaughtered horses during collecting period and cattle and sheep samples were collected randomly ... examinations and wrote parts of the chapters "Material and Methods" and "Results", EP and RA partly coordinated the study and delivered numerous samples for examination, AO helped 17 18 19 20 21 Anderson ... situation in Finland was considered necessary The main aim of the study was to find out the species of filarioid nematodes occurring in cattle, sheep and horses in Finland, and their prevalence...
Ngày tải lên: 12/08/2014, 18:22
Biological properties and the nutrition value of an Isochrysis strain as a live food for geo-duck larvae
... Jeffrey, P D Nichols, G I Rogers and C D Garland Fatty acid and lipid composition of 10 species of microalgae used in mariculture Journal of Experimental Marine Biology and Ecology, Vol 128, (1989), ... acids among, contained remarkable amount of PUFA and considerate level of EPA and DHA which play an essential role in cell membrane physiology and hormone metabolism, suggesting high value as ... 1966 10 A.Sukenik and R.Wahnon – Biochemical quality of marine unicellular algae, Aquaculture 97 (1991)61-72 11 J D Wehr and R G Sheath Freshwater of North America: Ecology and classification...
Ngày tải lên: 13/08/2015, 00:34
ISOLATION AND SELECTION OF TETRASELMIS STRAINS FOR FEEDING GEO-DUCK LARVAE AT VANDON, QUANG NINH
... development and conservation of this resource we carried out the research “Isolation and selection of Tetraselmis strains for feeding Geo-Duck larvae at Vandon, Quangninh” Materials and methods ... water) and ESM (modified Erd-Schreiber's and Schreiber's medium) were used to select culture medium for the growth and development of each strain Cells were cultured in 250-ml conical flask and ... calibration standard solution Results and discussion 3.1 Isolation of Tetraselmis strains Tetraselmis strains were isolated from the seawater at the shrimp farming in Vandon, Quangninh and signified...
Ngày tải lên: 13/08/2015, 00:34
Ontogeny and hormonal regulation of alpha amylase gene expression in seabass larvae, lates calcarifer
... ) in the toad larvae Bufo boreas (Hayes and Wu 1995) Kim and Brown (2000) treated fish larvae with T3 and/ or cortisol, and observed increases in specific activities of amylase and serine protease ... energy resources and organs start to differentiate and d evelop On the third day post hatching (dph), the larvae start to feed on rotifers, and the larvae are called first- feeding larvae The oil ... physiological and cell and molecular research Studies so far have revealed that fish larvae are in general physiologically immature with little or no capacity to produce certain hormones and enzymes, and...
Ngày tải lên: 17/09/2015, 17:20
effects of natural foods on food selection and growth rates of cobia (rachycentron canadum) larvae
... coastline, 12 lagoons, straits and bays, 112 estuaries, canals and thousands of small and big islands scattering along the coast, more than million km² exclusive economic zone and very large water surface ... laterally and white ventrally; black lateral band as wide as eye extends from snout to base of caudal fin, bordered above and below by paler bands; below this is a narrower dark band Black lateral band ... in general and the cobia seed production in particular is very necessary and urgent Based on research and practical demands, this study on “Effects of natural foods on food selection and growth...
Ngày tải lên: 22/09/2015, 16:45
effect of probiotics suplement in water on growth and survival rate of cobia larvae (rachycentron canadum)
... with larvae/ L and 10 larvae/ L were 31.4 – 34.9% and 17.5 – 19.2%, respectively 28 In the intensive recirculating tanks the survival rates were 12.7% and 9.4% of larvae/ L and 10 larvae/ L, respectively ... Once a week (7a.m and 5p.m) Salinmeter Growth and survival rate of larvae: Larvae samples from all rearing tanks were taken once a week (30 larvae / tank) to measure body length and to define daily ... plicatilis), Artermia (Vinh Chau and Thai Artermia) and C hlorella algae were used to feed the larvae Biochemical composition of rotifer and Artemia is documented as in Table 3.1 and 3.2 Picture 3.1: Rotifer...
Ngày tải lên: 18/11/2015, 22:22