Klára J Petrželková
Biographic Data
| ID | 5208020 |
|---|---|
| NAME | Klára J Petrželková |
| GIVEN NAMES | Klára J |
| FAMILY NAME | Petrželková |
| SIGNATURE | PETRŽELKOVÁ K J |
| AFFILIATIONS | Czech Academy of Sciences, Institute of Vertebrate Biology |
| ORCID | 0000-0001-9693-7567 |
| VERIFIED | Yes |
| TOTAL WORKS | 15 |
| TOTAL CITATIONS | 9 |
| AUTHOR COUNT | 15 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2006 |
| LATEST PUBLICATION YEAR | 2023 |
| H-INDEX | 2 |
Identification of potentially zoonotic parasites in captive orangutans and semi‐captive mandrills: Phylogeny and morphological comparison
Cysts and trophozoites of vestibuliferid ciliates and larvae of Strongyloides were found in fecal samples from captive orangutans Pongo pygmaeus and P. abelii from Czech and Slovak zoological gardens. As comparative material, ciliates from semi‐captive mandrills Mandrillus sphinx from Gabon were included in the study. Phylogenetic analysis of the detected vestibuliferid ciliates using ITS1‐5.8s‐rRNA‐ITS2 and partial 18S ribosomal deoxyribonucleic…
Gut microbiome composition of wild western lowland gorillas is associated with individual age and sex factors
OBJECTIVES: Environmental and ecological factors, such as geographic range, anthropogenic pressure, group identity, and feeding behavior are known to influence the gastrointestinal microbiomes of great apes. However, the influence of individual host traits such as age and sex, given specific dietary and social constraints, has been less studied. The objective of this investigation was to determine the associations between an individual's age and …
Gastrointestinal protists and helminths of habituated agile mangabeys ( Cercocebus agilis ) at Bai Hokou, Central African Republic
Infectious diseases including those caused by parasites can be a major threat to the conservation of endangered species. There is thus a great need for studies describing parasite infections of these species in the wild. Here we present data on parasite diversity in an agile mangabey (Cercocebus agilis) group in Bai Hokou, Dzanga-Sangha Protected Areas (DSPA), Central African Republic. We coproscopically analyzed 140 mangabey fecal samples by con…
Anaerobic Fungi in Gorilla (Gorilla gorilla gorilla) Feces: An Adaptation to a High-Fiber Diet
Codetection of Respiratory Syncytial Virus in Habituated Wild Western Lowland Gorillas and Humans During a Respiratory Disease Outbreak
Gastrointestinal Parasites of Savanna Chimpanzees (Pan troglodytes schweinfurthii) in Ugalla, Tanzania
Gastrointestinal symbionts of chimpanzees in Cantanhez National Park, guinea‐bissau with respect to habitat fragmentation
One of the major factors threatening chimpanzees (Pan troglodytes verus) in Guinea-Bissau is habitat fragmentation. Such fragmentation may cause changes in symbiont dynamics resulting in increased susceptibility to infection, changes in host specificity and virulence. We monitored gastrointestinal symbiotic fauna of three chimpanzee subpopulations living within Cantanhez National Park (CNP) in Guinea Bissau in the areas with different levels of a…
The Effect of Low‐ and High‐Fiber Diets on the Population of Entodiniomorphid Ciliates T roglodytella Abrassarti in Captive Chimpanzees ( P an Troglodytes )
T roglodytella abrassarti is an intestinal entodiniomorphid ciliate commonly diagnosed in the feces of wild and captive chimpanzees ( P an troglodytes ). Entodiniomorphids could be considered to have a mutualistic relationship with the great apes, in that the ciliates benefit from the intestinal ecosystem of the host, while also contributing to the fiber fermentation process. We examined the effect of diet on the infection intensities of T . abra…
Molecular diversity of entodiniomorphid ciliate Troglodytella abrassarti and its coevolution with chimpanzees
The entodiniomorphid ciliate Troglodytella abrassarti is a colonic mutualist of great apes. Its host specificity makes it a suitable model for studies of primate evolution. We explored molecular diversity of T. abrassarti with regard to large geographical distribution and taxonomic diversity of its most common host, the chimpanzee. We found a very low diversification of T. abrassarti in chimpanzees across Africa. Distribution of two types of T. a…
Gastrointestinal parasites of the chimpanzee population introduced onto Rubondo Island National Park, Tanzania
The release of any species into a novel environment can evoke transmission of parasites that do not normally parasitize the host as well as potentially introducing new parasites into the environment. Species introductions potentially incur such risks, yet little is currently known about the parasite fauna of introduced primate species over the long term. We describe the results of long‐term monitoring of the intestinal parasite fauna of an unprov…
Gastrointestinal Parasites of Indigenous and Introduced Primate Species of Rubondo Island National Park, Tanzania
A survey of entodiniomorphid ciliates in chimpanzees and bonobos
Intestinal entodiniomorphid ciliates are commonly diagnosed in the feces of wild apes of the genera Pan and Gorilla . Although some authors previously considered entodiniomorphid ciliates as possible pathogens, a symbiotic function within the intestinal ecosystem and their participation in fiber fermentation has been proposed. Previous studies have suggested that these ciliates gradually disappear under captive conditions. We studied entodiniomor…
Effects of high‐ and low‐fiber diets on fecal fermentation and fecal microbial populations of captive chimpanzees
We examined fiber fermentation capacity of captive chimpanzee fecal microflora from animals ( n =2) eating low‐fiber diets (LFDs; 14% neutral detergent fiber (NDF) and 5% of cellulose) and high‐fiber diets (HFDs; 26% NDF and 15% of cellulose), using barley grain, meadow hay, wheat straw, and amorphous cellulose as substrates for in vitro gas production of feces. We also examined the effects of LFD or HFD on populations of eubacteria and archaea i…
Fruit availability, chimpanzee diet, and grouping patterns on Rubondo Island, Tanzania
We examined seasonal patterns of fruit availability, dietary quality, and group size in the descendants of an introduced chimpanzee population on Rubondo Island, Tanzania. The site has supported a free‐ranging population without provisioning for 40 years. Our goals were to determine whether Rubondo chimpanzees experience periods of fruit shortage, and whether they respond to changes in fruit availability similarly to chimpanzees at endemic sites.…
Parasitic Nematodes in the Chimpanzee Population on Rubondo Island, Tanzania
A survey of entodiniomorphid ciliates in chimpanzees and bonobos
Intestinal entodiniomorphid ciliates are commonly diagnosed in the feces of wild apes of the genera Pan and Gorilla . Although some authors previously considered entodiniomorphid ciliates as possible pathogens, a symbiotic function within the intestinal ecosystem and their participation in fiber fermentation has been proposed. Previous studies have suggested that these ciliates gradually disappear under captive conditions. We studied entodiniomor…
Parasitic Nematodes in the Chimpanzee Population on Rubondo Island, Tanzania
Gastrointestinal Parasites of Indigenous and Introduced Primate Species of Rubondo Island National Park, Tanzania
Gut microbiome composition of wild western lowland gorillas is associated with individual age and sex factors
OBJECTIVES: Environmental and ecological factors, such as geographic range, anthropogenic pressure, group identity, and feeding behavior are known to influence the gastrointestinal microbiomes of great apes. However, the influence of individual host traits such as age and sex, given specific dietary and social constraints, has been less studied. The objective of this investigation was to determine the associations between an individual's age and …
Parasitic Nematodes in the Chimpanzee Population on Rubondo Island, Tanzania
Fruit availability, chimpanzee diet, and grouping patterns on Rubondo Island, Tanzania
We examined seasonal patterns of fruit availability, dietary quality, and group size in the descendants of an introduced chimpanzee population on Rubondo Island, Tanzania. The site has supported a free‐ranging population without provisioning for 40 years. Our goals were to determine whether Rubondo chimpanzees experience periods of fruit shortage, and whether they respond to changes in fruit availability similarly to chimpanzees at endemic sites.…
Effects of high‐ and low‐fiber diets on fecal fermentation and fecal microbial populations of captive chimpanzees
We examined fiber fermentation capacity of captive chimpanzee fecal microflora from animals ( n =2) eating low‐fiber diets (LFDs; 14% neutral detergent fiber (NDF) and 5% of cellulose) and high‐fiber diets (HFDs; 26% NDF and 15% of cellulose), using barley grain, meadow hay, wheat straw, and amorphous cellulose as substrates for in vitro gas production of feces. We also examined the effects of LFD or HFD on populations of eubacteria and archaea i…
Gastrointestinal parasites of the chimpanzee population introduced onto Rubondo Island National Park, Tanzania
The release of any species into a novel environment can evoke transmission of parasites that do not normally parasitize the host as well as potentially introducing new parasites into the environment. Species introductions potentially incur such risks, yet little is currently known about the parasite fauna of introduced primate species over the long term. We describe the results of long‐term monitoring of the intestinal parasite fauna of an unprov…
Gastrointestinal Parasites of Indigenous and Introduced Primate Species of Rubondo Island National Park, Tanzania
A survey of entodiniomorphid ciliates in chimpanzees and bonobos
Intestinal entodiniomorphid ciliates are commonly diagnosed in the feces of wild apes of the genera Pan and Gorilla . Although some authors previously considered entodiniomorphid ciliates as possible pathogens, a symbiotic function within the intestinal ecosystem and their participation in fiber fermentation has been proposed. Previous studies have suggested that these ciliates gradually disappear under captive conditions. We studied entodiniomor…
The Effect of Low‐ and High‐Fiber Diets on the Population of Entodiniomorphid Ciliates T roglodytella Abrassarti in Captive Chimpanzees ( P an Troglodytes )
T roglodytella abrassarti is an intestinal entodiniomorphid ciliate commonly diagnosed in the feces of wild and captive chimpanzees ( P an troglodytes ). Entodiniomorphids could be considered to have a mutualistic relationship with the great apes, in that the ciliates benefit from the intestinal ecosystem of the host, while also contributing to the fiber fermentation process. We examined the effect of diet on the infection intensities of T . abra…
Molecular diversity of entodiniomorphid ciliate Troglodytella abrassarti and its coevolution with chimpanzees
The entodiniomorphid ciliate Troglodytella abrassarti is a colonic mutualist of great apes. Its host specificity makes it a suitable model for studies of primate evolution. We explored molecular diversity of T. abrassarti with regard to large geographical distribution and taxonomic diversity of its most common host, the chimpanzee. We found a very low diversification of T. abrassarti in chimpanzees across Africa. Distribution of two types of T. a…
Gastrointestinal symbionts of chimpanzees in Cantanhez National Park, guinea‐bissau with respect to habitat fragmentation
One of the major factors threatening chimpanzees (Pan troglodytes verus) in Guinea-Bissau is habitat fragmentation. Such fragmentation may cause changes in symbiont dynamics resulting in increased susceptibility to infection, changes in host specificity and virulence. We monitored gastrointestinal symbiotic fauna of three chimpanzee subpopulations living within Cantanhez National Park (CNP) in Guinea Bissau in the areas with different levels of a…
Gastrointestinal Parasites of Savanna Chimpanzees (Pan troglodytes schweinfurthii) in Ugalla, Tanzania
Codetection of Respiratory Syncytial Virus in Habituated Wild Western Lowland Gorillas and Humans During a Respiratory Disease Outbreak
Gastrointestinal protists and helminths of habituated agile mangabeys ( Cercocebus agilis ) at Bai Hokou, Central African Republic
Infectious diseases including those caused by parasites can be a major threat to the conservation of endangered species. There is thus a great need for studies describing parasite infections of these species in the wild. Here we present data on parasite diversity in an agile mangabey (Cercocebus agilis) group in Bai Hokou, Dzanga-Sangha Protected Areas (DSPA), Central African Republic. We coproscopically analyzed 140 mangabey fecal samples by con…
Anaerobic Fungi in Gorilla (Gorilla gorilla gorilla) Feces: An Adaptation to a High-Fiber Diet
Gut microbiome composition of wild western lowland gorillas is associated with individual age and sex factors
OBJECTIVES: Environmental and ecological factors, such as geographic range, anthropogenic pressure, group identity, and feeding behavior are known to influence the gastrointestinal microbiomes of great apes. However, the influence of individual host traits such as age and sex, given specific dietary and social constraints, has been less studied. The objective of this investigation was to determine the associations between an individual's age and …
Identification of potentially zoonotic parasites in captive orangutans and semi‐captive mandrills: Phylogeny and morphological comparison
Cysts and trophozoites of vestibuliferid ciliates and larvae of Strongyloides were found in fecal samples from captive orangutans Pongo pygmaeus and P. abelii from Czech and Slovak zoological gardens. As comparative material, ciliates from semi‐captive mandrills Mandrillus sphinx from Gabon were included in the study. Phylogenetic analysis of the detected vestibuliferid ciliates using ITS1‐5.8s‐rRNA‐ITS2 and partial 18S ribosomal deoxyribonucleic…
Biology (15 works) · Zoology (13 works) · Primate Behavior and Ecology (12 works) · Ecology (10 works) · Population (8 works) · Parasite Biology and Host Interactions (7 works) · Demography (6 works) · Geography (6 works) · Helminths (6 works) · Animal ecology (5 works)