Aravindan KalyanasundaramTexas Tech University | TTU · Institute of Environmental and Human Health
Aravindan Kalyanasundaram
Doctor of Philosophy
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33
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Publications (33)
Background
The Northern bobwhite (Colinus virginianus) is an economically important, and popular game bird in North America. Northern bobwhites have experiencing declines of > 3.5% annually in recent decades due to several factors. The eyeworm Oxyspirura petrowi is a nematode parasite frequently found in the eyes of bobwhites. Although reported fre...
Grassland birds have been declining substantially for the past several years. Habitat loss, degradation, and fragmentation as well as climate change are all thought to be the main drivers of the decline. However, as the declines continue to accelerate, it is becoming imperative to examine other factors that may contribute to population fluctuations...
The Northern bobwhite quail (Colinus virginianus) is a popular game bird that has been experiencing a well-documented decline throughout Texas since the 1960s. While much of this decline has been attributed to habitat loss and fragmentation, recent studies have identified other factors that may also contribute to decreasing quail populations. Paras...
Many recent studies have been focused on prevalence and impact of two helminth parasites, eyeworm Oxyspirura petrowi and caecal worm Aulonocephalus pennula, in the northern bobwhite quail (Colinus virginianus). However, few studies have attempted to examine the effect of these parasites on the bobwhite immune system. This is likely due to the lack...
Based on sequence homology and phylogenetic tree results, the first report of eyeworm Oxyspirura species larvae has been confirmed in a human patient from Vietnam. However, important information related to Oxyspirura larvae was not presented in the case study. This comment provides a more detailed comparison of the Oxyspirura larvae found in the hu...
The potential of parasites to affect host abundance has been a topic of heated contention within the scientific community for some time, with many maintaining that issues such as habitat loss are more important in regulating wildlife populations than diseases. This is in part due to the difficulty in detecting and quantifying the consequences of di...
Recently, the heteroxenous eyeworm, Oxyspirura petrowi, has gained attention due to its prevalence in the declining game bird, Northern bobwhite (Colinus virginianus), but the intermediate hosts of many nematodes remain unknown. However, identifying the intermediate host of O. petrowi with traditional techniques would be difficult and time-consumin...
Background: Oxyspirura petrowi (Spirurida: Thelaziidae), a heteroxenous nematode of birds across the USA, may play a role in the decline of the northern bobwhite (Colinus virginianus) in the Rolling Plains Ecoregion of West Texas. Previous molecular studies suggest that crickets, grasshoppers and cockroaches serve as potential intermediate hosts of...
Helminth parasites have been a popular research topic due to their global prevalence and adverse effects on livestock and game species. The Northern bobwhite (Colinus virginianus), a popular game bird in the USA, is one species subject to helminth infection and has been experiencing a decline of > 4% annually over recent decades. In the Rolling Pla...
The Northern bobwhite quail (Colinus virginianus) is an important gamebird among hunters that has been experiencing a nationwide decline for N 50 yr. In West Texas, one of the last regions to experience this downward trend, research on bobwhite populations has focused on habitat variables and, increasingly, on parasitic infection. In bobwhite, two...
Over the last few decades, there has been a decline in Northern bobwhite quail (Colinus virginianus) throughout their native range. While there are various factors that may be influencing this decline, it is suggested that parasites should be taken into consideration as a potential contributor in the Rolling Plains Ecoregion. High prevalence of the...
The northern bobwhite quail (Colinus virginianus) is a popular gamebird in the Rolling Plains Ecoregion of West Texas. However, there has been a population decline in this area over recent decades. Consistent reports indicate a high prevalence of the eyeworm (Oxyspirura petrowi) and caecal worm (Aulonocephalus pennula), which may be of major influe...
Physaloptera spp. are common nematodes found in the stomach and muscles of mammals, reptiles, amphibians, and birds. Physaloptera spp. have a complicated life cycle with multiple definitive hosts, arthropod intermediate hosts, aberrant infections, and possible second intermediate hosts or paratenic hosts. For example, Physaloptera sp. larvae have b...
Northern bobwhite quail ( Colinus virginianus ), a popular gamebird among hunters, have been declining over recent decades in the Rolling Plains ecoregion. Investigations in the past few years have revealed a high prevalence of eyeworms ( Oxyspirura petrowi ) and caecal worms ( Aulonocephalus pennula ) in this ecoregion, prompting a need to better...
Aulonocephalus pennula is a heteroxenous nematode that commonly infects a declining game bird, the northern bobwhite quail ( Colinus virginianus ). There is a lack of information on the life cycle of A. pennula and the potential effects of infection on bobwhites. In order to better understand the life cycle of this parasite, various species from th...
Oxyspirura petrowi is a heteroxenous nematode found in northern bobwhite ( Colinus virginianus ) of the Rolling Plains ecoregion of Texas. Despite its impact on this popular gamebird, genetic level studies on O. petrowi remain relatively unexplored. To accomplish this, we chose the previously studied nuclear rDNA 18S region as well as the mitochond...
Aulonocephalus pennula is a nematode living in the caeca of the wild Northern bobwhite quail (Colinus virginianus) present throughout the Rolling Plains Ecoregion of Texas. The cytochrome oxidase 1 (COX 1) gene of the mitochondrial genome was used to screen A. pennula in wild quail. Through BLAST analysis, similarity of A. pennula to other nematode...
Poly- β- hydroxy butyrate (PHB) is the best known polyhydroxyalkanoate. Considering the industrial and medical
applications of PHB, this work had been undertaken for the screening of PHB producing bacteria from soil sources. In
the present study, an attempt was made to isolate efficient PHB producing bacteria from diverse environmental
samples. Azo...
Extensive and indiscriminate use of the benzimidazole class of drugs has led to the onset of anthelmintic resistance. In tropical countries like India, Haemonchus contortus is the most pathogenic parasite infecting sheep and goats. The widespread presence of resistant helminths (especially H. contortus) threatens the livestock farming. The use of v...
Black tiger shrimp Penaeus monodon is the most consumed species of crustaceans all over the world. Seafood allergy is the major threat in developing and westernized countries. The use of recombinant allergen is an effective way to improve diagnosis and treatment for seafood allergy. In this study, the recombinant P. monodon troponin C (rPmTnC) was...
From an immunologist perspective, sharks are an important group of jawed cartilaginous fishes and survey of the public database revealed a great gap in availability of large-scale sequence data for the group of Chondrichthyans the elasmobranchs. In an attempt to bridge this deficit we generated the transcriptome from the spleen and kidney tissues (...
RNA interference (RNAi) is a potential strategy to control shrimp viral diseases, including the white spot disease caused by White Spot Syndrome Virus (WSSV). Selection of genes for targeting is an important criterion. We have compared the efficacy of dsRNAs targeting structural (vp28 and vp281) and nonstructural genes (rr1 and dnapol) of WSSV in c...
Copper Zinc Superoxide dismutase (CuZnSOD) is the family of most important antioxidant metalloenzymes that protects tissues from damage by reactive oxygen species (ROS). In the present study, the intracellular copper zinc SOD from the Asian seabass Lates calcarifer (Lc-icCuZnSOD) was identified by RNA ligase mediated rapid amplification of cDNA end...
Questions
Questions (2)
I am doing total RNA extraction from PAXgene blood RNA tubes (6.9 ml of storage buffer + 2.5ml of collected blood in each tube) using the PAXgene blood RNA kit. I just want to extract the total RNA from a portion of the blood sample (around 4.5ml of the above combination) collected in PAXgene blood collection tubes. is there anyone who extracted total RNA from PAXgene blood RNA tubes? I will be glad if anyone has an answer for it.
Anybody know the life-span of cytokine IL6 in mammal? Also want to know about it’s antagonist or regulators in prolonged Inflammatory response In mammals
