Regulation of long-term oviposition in the house cricket,Acheta domesticus: Roles of prostaglandin and factors associated with sperm

1987 ◽  
Vol 6 (1) ◽  
pp. 59-72 ◽  
Author(s):  
Michael P. Murtaugh ◽  
David L. Denlinger
Author(s):  
J. R. Adams ◽  
G. J Tompkins ◽  
A. M. Heimpel ◽  
E. Dougherty

As part of a continual search for potential pathogens of insects for use in biological control or on an integrated pest management program, two bacilliform virus-like particles (VLP) of similar morphology have been found in the Mexican bean beetle Epilachna varivestis Mulsant and the house cricket, Acheta domesticus (L. ).Tissues of diseased larvae and adults of E. varivestis and all developmental stages of A. domesticus were fixed according to procedures previously described. While the bean beetles displayed no external symptoms, the diseased crickets displayed a twitching and shaking of the metathoracic legs and a lowered rate of activity.Examinations of larvae and adult Mexican bean beetles collected in the field in 1976 and 1977 in Maryland and field collected specimens brought into the lab in the fall and reared through several generations revealed that specimens from each collection contained vesicles in the cytoplasm of the midgut filled with hundreds of these VLP's which were enveloped and measured approximately 16-25 nm x 55-110 nm, the shorter VLP's generally having the greater width (Fig. 1).


Author(s):  
Francisco J.A. Sanchez ◽  
Jose L.A. Martínez ◽  
Mirem A.U. Echezarreta ◽  
Ione V. Garcia ◽  
Jorge R. Alvaro

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Yuuki Iida ◽  
Kumiko Hongo ◽  
Takanobu Onoda ◽  
Yusuke Kita ◽  
Yukio Ishihara ◽  
...  

AbstractCentral venous port (CVP) is a widely used totally implantable venous access device. Recognition of risks associated with CVP-related complications is clinically important for safe, reliable, and long-term intravenous access. We therefore investigated factors associated with CVP infection and evulsion, including the device type. A total of 308 consecutive patients with initial CVP implantation between January 2011 and December 2017 were retrospectively reviewed, and the association of clinical features with CVP-related complications were analyzed. Intraoperative and postoperative complications occurred in 11 (3.6%) and 39 (12.7%) patients, respectively. The overall rate of CVP availability at six months was 91.4%. Malignancy and 2-Methacryloyloxyethyl phosphorylcholine (MPC) polymer-coated catheter use were negatively associated with the incidence of CVP infections. Accordingly, malignancy and MPC polymer-coated catheter use were independent predictors for lower CVP evulsion rate (odds ratio, 0.23 and 0.18, respectively). Furthermore, both factors were significantly associated with longer CVP availability (hazard ratio, 0.24 and 0.27, respectively). This retrospective study identified factors associated with CVP-related complications and long-term CVP availability. Notably, MPC polymer-coated catheter use was significantly associated with a lower rate of CVP infection and longer CVP availability, suggesting the preventive effect of MPC coating on CVP infection.


2019 ◽  
Vol 47 (06) ◽  
pp. 399-399
Author(s):  
Lukas Demattio

Studies AC, Chidlow H, Ere SG et al. Factors associated with long-term athletic outcome in Thoroughbred neonates admitted to an intensive care unit. Equine Vet J 2019; 51: 716–719 Für viele Pferdezüchter stellt sich immer wieder die Frage, wie viel Geld in ein Fohlen investiert werden soll, wenn dieses tierärztlicher Behandlung bedarf. Lohnt sich eine intensivmedizinische Behandlung für ein Fohlen, das für eine sportliche Nutzung vorgesehen ist? Diese Frage versuchten die Autoren in der Studie zu beantworten.


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