Results 21 to 30 of about 5,117 (186)

Studies on pathology of silkworm, Bombyx mori during Nosema bombycis infection

open access: yes浙江大学学报. 农业与生命科学版, 2000
When Nosema bombycis infected silkworm, the activity of midgut trehalase decreased significantly, which is mainly due to formation of large quantities of schizonts.
LU Xing-meng, WU Zhong-chang
doaj   +1 more source

Microdialysis for the Analysis of Insect Haemolymph

open access: yesBioscience, Biotechnology, and Biochemistry, 1993
Microdialysis was used for continuous sampling of biogenic amines from the haemolymph of Spodoptera litula (tobacco cutworm). Six different biogenic amines, including norepinephrine, epinephrine, dopamine, octopamine, tyramine, and serotonin in the microdialysates were simultaneously analyzed by HPLC with a coulometric electrochemical detector.
Ikemoto, Yuji   +2 more
openaire   +1 more source

Natural lectin activity in the haemolymph of Panstrogylus megistus (Heteroptera: Reduvidae) Atividade lectínica na hemolinfa de Panstrongylus megistus (Heteroptera: Reduviidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1988
The haemolymph of Panstrongylus megistus showed a natural lectin activity for a wide range of vertebrate erythocytes. Agglutination was observed against all vertebrate erythrocytes tested (human ABO, duck, rabbit, mouse, sheep, chicken and cow).
Y. M. Gomes   +2 more
doaj   +1 more source

EFFECT OF SPINOSAD AND CONSULT AND THEIR MIXTURE ON THE FIFTH NYMPHAL INSTAR OF DESERT LOCUST Schistocerca gregaria (FORSK.) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2014
Laboratory studies were carried out in an attempt to disclose the effect of a bio-insecticide (Spinosad),  and IGR (consult) and their mixture at different concentrations (19 ppm), (123 ppm)  and (9ppm of spinosad+52 ppm of consult), respectively on one ...
W. Azer   +3 more
doaj   +1 more source

Horizontal Transfer of the “Popcorn-Effect” Strain of Wolbachia from Drosophila melanogaster to Stomoxys calcitrans

open access: yesMicrobiology Indonesia, 2010
The Wolbachia containing haemolymph from Wolbachia infected Drosophila third/fourth instar larvae was transferred through microinjection into 5-days-old pupae of the blood sucking stable fly, Stomoxys calcitrans. There was no previous record of Wolbachia
ENDANG SRIMURNI KUSMINTARSIH
doaj   +1 more source

Classification and characterization of immune haemocytes in the larvae of the Indian fritillary, Papilio hyperbius (Lepidopetra: Nymphalidae)

open access: yesEuropean Journal of Entomology, 2022
In this study, haemocytes present in Papilio hyperbius Linnaeus were identified and characterized. Six different types of haemocyte were recorded in the haemocoel of this species of insect: prohaemocytes, plasmatocytes, granulocytes, spherulocytes ...
Min-Soo GO   +6 more
doaj   +1 more source

Pearl Oyster Bacterial Community Structure Is Governed by Location and Tissue-Type, but Vibrio Species Are Shared Among Oyster Tissues

open access: yesFrontiers in Microbiology, 2021
Diseases of bivalves of aquacultural importance, including the valuable Australian silver-lipped pearl oyster (Pinctada maxima), have been increasing in frequency and severity. The bivalve microbiome is linked to health and disease dynamics, particularly
William L. King   +7 more
doaj   +1 more source

BIOCHEMICAL STUDIES ON THE EFFECT OF Metarhizium anisopliae VAR acridum INFECTION IN THE DESERT LOCUST, Schistocerca gregaria FORSKAL [PDF]

open access: yesJournal of Plant Protection and Pathology, 2009
Fifth instar nymphs of the desert locust Schistocerca gregaria Forskal were topically treated with 5µl of an oil-based spore suspension of the entomopathogenic fungus Metarhizium anisopliae var acridum. Haemolymph samples were collected from both control
T. Abdel-Fattah   +4 more
doaj   +1 more source

Transcriptomic resources and functional validation of RNAi in the cabbage seedpod weevil, Ceutorhynchus obstrictus

open access: yesPest Management Science, EarlyView.
Transcriptome sequencing of Ceutorhynchus obstrictus revealed RNA interference (RNAi) targets; double‐stranded RNA microinjection reduced transcript levels and increased mortality, with αCOP and Rop showing strongest lethal effects, indicating promising RNAi‐based pest control candidates.
Apurva Vikas Sabnis   +8 more
wiley   +1 more source

Characterization of the immune induced antimicrobial peptide in Drosophila melanogaster and Drosophila ananassae

open access: yesEuropean Journal of Entomology, 2021
Insects can recognize invading pathogens and initiate an immune response. Among them, Drosophila has emerged as an invertebrate model for investigating innate immune responses in which antimicrobial peptides play a crucial role.
Ramachandra Naik MEGHASHREE   +1 more
doaj   +1 more source

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