Spore shedding inAglaothamnion cordatum (Borgesen) Feldmann. Mazoyer—(Rhodophyta, Ceramiales) of Visakhapatnam coast

Author(s):  
G Subba Rangaiah
2017 ◽  
Vol 6 (2) ◽  
pp. 5278
Author(s):  
Siva Prasad K.* ◽  
Sreeramulu K. ◽  
N. V. Prasad

A survey has been conducted to collect copepod parasites from Gazza achlamys (Jordan & Starks, 1917) and Ariomma indica (Day, 1871) off Visakhapatnam coast. Altogether, seven copepod species were identified. They are Caligus kuroshino (Shiino, 1960), Bomolochus decapteri (Yamaguti, 1936), Bomolochus nothrus (Wilson, 1913), Pseudartacolax lateolabracis (Yamaguti et al., 1959), Pumiliopes opisthopteri (Shen, 1957), Lernanthropus amphitergum (Pearse, 1951) and Lernanthropus ilishae (Chin, 1948). A list of hosts parasites and brief description of these parasites has given in this paper.


1968 ◽  
Vol 11 (1-4) ◽  
Author(s):  
T. SREERAMULU ◽  
M. UMAMAHESWARARAO
Keyword(s):  

Author(s):  
Noah Budi ◽  
Jared J. Godfrey ◽  
Nasia Safdar ◽  
Sanjay K. Shukla ◽  
Warren E. Rose

Clostridioides difficile (C. difficile) infections (CDI) are commonly treated with antibiotics that do not impact the dormant spore form of the pathogen. CDI-directed antibiotics, such as vancomycin and metronidazole, can destroy the vegetative form of C. difficile and protective microbiota. After treatment, spores can germinate into vegetative cells causing clinical disease relapse and further spore shedding. This in vitro study compares the combination of germinants with vancomycin or omadacycline to antibiotics alone in eradicating C. difficile spores and vegetative cells. Among the four strains in this study, omadacycline minimum inhibitory concentrations (0.031-0.125 mg/L) were lower than vancomycin (1-4 mg/L). Omadacycline nor vancomycin in media alone reduced spore counts. In three of the four strains, including the epidemic ribotype 027, spore eradication with germinants was 94.8-97.4% with vancomycin and 99.4-99.8% with omadacycline (p<0.005). In ribotype 012, either antibiotic combined with germinants resulted in 100% spore eradication at 24 hours. The addition of germinants with either antibiotic did not result in significant toxin A or B production, which were below the limit of detection (<1.25 ng/mL) by 48 hours. Limiting the number of spores present in patient GI tracts at the end of therapy may be effective at preventing recurrent CDI and limiting spore shedding in the healthcare environment. These results with germinants warrant safety and efficacy evaluations in animal models.


Zootaxa ◽  
2008 ◽  
Vol 1734 (1) ◽  
pp. 59 ◽  
Author(s):  
T. TRIVENI LAKSHMI ◽  
ROKKAM MADHAVI

The monorchiid trematode Huridostomum formionis Mamaev, 1970 originally described from the black pomfret, Apolectus niger, from the Gulf of Tonkin by Mamaev (1970) is redescribed based on material collected from the same host from the Visakhapatnam coast, Bay of Bengal. The redescription provides additional information on the arrangement of the enlarged spines on the anterodorsal region of the oral sucker, the structure of the terminal genitalia and the course of uterus. The most significant features typical for the genus are considered to be the combination of morphological features including the presence of enlarged spines along the anterodorsal margin of the oral sucker, a very long elliptical cirrus sac, a unipartite terminal organ with the metraterm joining it distally, and extensive uterine coils. The genus Huridostomum is included in the subfamily Monorchiinae, its relationship with other monorchiid genera possessing spines anterodorsal to the oral sucker is discussed, and the validity of some of these genera is examined. Neopisthomonorchis Varma, 1982 is synonymized with Ametrodaptes Bravo-Hollis, 1956 and the new combination Ametrodaptes pristopomatis (Varma, 1982) n. comb. is suggested. Pseudametrodaptes n. gen. is erected to include the Indian species of the genus Ametrodaptes characterized by the absence of spines in the genital atrium and the presence of a unipartite terminal organ with the metraterm joining its distal end. The following new combinations are suggested: Pseudametrodaptes secundus (Madhavi, 1977) n. comb., Pseudametrodaptes bravoae (Ahmad, 1985) n. comb., Pseudametrodaptes caballeroi (Ahmad, 1985) n. comb. and Pseudametrodaptes fischthali (Ahmad & Dhar, 1987) n. comb.


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