Effects of Bacillus thuringiensis kurstaki on Malpighian Tubule Cells of Thaumetopoea pityocampa (Lepidoptera: Thaumetopoeidae) larvae

2005 ◽  
Vol 53 (1) ◽  
pp. 7-11
Author(s):  
Ayşe Ogutcu ◽  
Zekiye Suludere ◽  
Meltem Uzunhisarcikli ◽  
Yusuf Kalender
Keyword(s):  
Bacillus Thuringiensis ◽  
Malpighian Tubule ◽  
Thaumetopoea Pityocampa ◽  
Bacillus Thuringiensis Kurstaki ◽  
Tubule Cells

The permeability properties of septate junctions in Malpighian tubules of Rhodnius

1987 ◽  
Vol 88 (2) ◽  
pp. 251-265 ◽  
Author(s):  
H.B. Skaer ◽  
S.H. Maddrell ◽  
J.B. Harrison
Keyword(s):  
Structural Characteristics ◽  
Malpighian Tubule ◽  
Malpighian Tubules ◽  
Septate Junctions ◽  
Blood Sucking ◽  
Effects Of Ph ◽  
Intercellular Clefts ◽  
Luminal Flow ◽  
Tubule Cells ◽  
Positively Charged

This paper describes the structural characteristics and permeability properties of the smooth septate junctions between the upper Malpighian tubule cells of a blood-sucking bug, Rhodnius prolixus. The permeability of the paracellular route was tested only for solutes that could be demonstrated not to cross the epithelium via the cellular route. The intercellular clefts were readily permeated by sucrose, inulin and polyethylene glycol (PEG), showing a higher permeability to molecules of smaller radius (PEG versus sucrose). Negatively charged molecules permeated the clefts more readily than positively charged ones. The effects of pH, urea and luminal flow rate on permeability were studied. The results are discussed in relation to the physiological tightness of the Malpighian tubules to certain solutes and to its function as an excretory epithelium.

Ultrastructure of fat body cells and Malpighian tubule cells in overwintering Scoliopteryx libatrix (Noctuoidea)

PROTOPLASMA ◽  
2017 ◽  
Vol 254 (6) ◽  
pp. 2189-2199 ◽  
Author(s):  
Saška Lipovšek ◽  
Franc Janžekovič ◽  
Tone Novak
Keyword(s):  
Fat Body ◽  
Malpighian Tubule ◽  
Tubule Cells

scholarly journals Tandem Mass Tag-Based Quantitative Proteomics and Virulence Phenotype of Hemolymph-Treated Bacillus thuringiensis kurstaki Cells Reveal New Insights on Bacterial Pathogenesis in Insects

2021 ◽  
Author(s):  
Yanyan Sun ◽  
Linlin Yang ◽  
Lianet Rodríguez-Cabrera ◽  
Yushan Ding ◽  
Chaoliang Leng ◽  
...  
Keyword(s):  
Bacillus Thuringiensis ◽  
Quantitative Proteomics ◽  
Bacterial Pathogenesis ◽  
Midgut Epithelium ◽  
Tandem Mass ◽  
Content Type ◽  
Virulence Phenotype ◽  
Bacillus Thuringiensis Kurstaki ◽  
Tandem Mass Tag ◽  
Mass Tag

After ingestion by a susceptible insect and damaging its midgut epithelium, the bacterium Bacillus thuringiensis (Bt) reaches the insect blood (hemolymph), where it propagates despite the host’s antimicrobial defenses and induces insect death by acute septicemia. Although the hemolymph stage of the Bt toxic pathway is determinant for the infested insects’ fate, the response of Bt to hemolymph and the latter’s role in bacterial pathogenesis has been poorly explored.

Biosterilant effects of Bacillus thuringiensis kurstaki HD-73 extract on male Wistar albino rats

2017 ◽  
Vol 88 ◽  
pp. 73-83 ◽  
Author(s):  
Vikas Kumar Roy ◽  
Vanlal Peki ◽  
Maibam Sunita Devi ◽  
Sanasam Sanjeev ◽  
Maurya Khusboo ◽  
...  
Keyword(s):  
Bacillus Thuringiensis ◽  
Albino Rats ◽  
Bacillus Thuringiensis Kurstaki ◽  
Wistar Albino Rats
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