Welcome to CAB eBooks:
Username and Password here.
CAB International
 
Giardia and Cryptosporidium: from molecules to disease.
Giardia and Cryptosporidium: from molecules to disease.

Editors(s): Ortega-Pierres, G. Cacciò, S. Fayer, R. Mank, T. G. Smith, H. V. Thompson, R. C. A.


2009 CABI (H ISBN 9781845933913)

Giardia and Cryptosporidium are both parasites of considerable global interest due to the gastrointestinal problems the organisms can cause in humans as well as domestic and wild animals. This book presents an overview of recent research. The... More

login prompt Login or subscribe here to view



The impact of Giardia on science and society.
The impact of Giardia on science and society.
Chapter: 1 (Page no: 1)

Authors(s): Thompson, R. C. A.

2009 CABI

Although Giardia has a long history, it is only recently that the clinical impact of Giardia in children has been recognized. Similarly, the emergence of Giardia as a frequent parasite of companion animals, livestock and wildlife raises questions... More

login prompt Login or subscribe here to view



Cryptosporidium in cattle: from observing to understanding.
Cryptosporidium in cattle: from observing to understanding.
Chapter: 2 (Page no: 12)

Authors(s): Fayer, R. Santín, M. Trout, J. M.

2009 CABI

Cryptosporidium parvum is a zoonotic pathogen transmissible from a variety of animals to humans and is a considerable public health concern. Dairy cattle have been identified in numerous reports as a major source of environmental contamination... More

login prompt Login or subscribe here to view



Names do matter.
Names do matter.
Chapter: 3 (Page no: 25)

Authors(s): Bowman, D. D.

2009 CABI

In zoology, each species is assigned a name by an expert or group of experts on the basis of characters that define an organism or groups of organisms that are designated as type specimens. As more is learned about a genus, the importance of... More

login prompt Login or subscribe here to view



Centenary of the genus Cryptosporidium: from morphological to molecular species identification.
Centenary of the genus Cryptosporidium: from morphological to molecular species identification.
Chapter: 4 (Page no: 31)

Authors(s): Šlapeta, J.

2009 CABI

The biology and species diversity of the genus Cryptosporidium is mystifying for many protozoologists and even more so for non-specialists. Historically, two morphologically distinct parasites of the gastrointestinal tract were originally... More

login prompt Login or subscribe here to view



Molecular epidemiology of human cryptosporidiosis in developing countries.
Molecular epidemiology of human cryptosporidiosis in developing countries.
Chapter: 5 (Page no: 51)

Authors(s): Xiao, L.

2009 CABI

Genotyping and subtyping tools have been used to characterize the transmission of human cryptosporidiosis in developing countries. Thus far, five Cryptosporidium spp. - C. hominis, C. parvum, C. meleagridis, C. canis and C. felis - are... More

login prompt Login or subscribe here to view



Molecular epidemiology and typing of non-human isolates of Cryptosporidium.
Molecular epidemiology and typing of non-human isolates of Cryptosporidium.
Chapter: 6 (Page no: 65)

Authors(s): Ryan, U. M. Xiao, L.

2009 CABI

Cryptosporidium has been reported in a wide variety of hosts, with C. parvum and C. hominis being responsible for most human infections. Until recently, it has been assumed that farm animals and wild animals are important zoonotic reservoirs for... More

login prompt Login or subscribe here to view



Insights into the molecular detection of Giardia duodenalis: implications for epidemiology.
Insights into the molecular detection of Giardia duodenalis: implications for epidemiology.
Chapter: 7 (Page no: 81)

Authors(s): Cacciò, S. M. Lalle, M. Beck, R. Pozio, E.

2009 CABI

Giardia duodenalis is a widespread parasite of mammalian species, including humans. Due to its invariant morphology, investigation of aspects such as host specificity and transmission patterns requires a direct genetic characterization of... More

login prompt Login or subscribe here to view



Wildlife with Giardia: villain, or victim and vector?
Wildlife with Giardia: villain, or victim and vector?
Chapter: 8 (Page no: 94)

Authors(s): Kutz, S. J. Thompson, R. C. A. Polley, L.

2009 CABI

Among mammalian wildlife, Giardia has been reported on every continent and from a wide variety of species, including marsupials, rodents, insectivores, ungulates, marine mammals, felids, canids and ursids. Increasing efforts have been made to... More

login prompt Login or subscribe here to view



The role of livestock in the foodborne transmission of Giardia duodenalis and Cryptosporidium spp. to humans.
The role of livestock in the foodborne transmission of Giardia duodenalis and Cryptosporidium spp. to humans.
Chapter: 9 (Page no: 107)

Authors(s): Dixon, B. R.

2009 CABI

While person-to-person and waterborne transmission probably account for most human infections with Giardia duodenalis and Cryptosporidium spp., zoonotic transmission, particularly from livestock, has generated a great deal of interest in recent... More

login prompt Login or subscribe here to view



The risk of zoonotic genotypes of Cryptosporidium spp. in watersheds.
The risk of zoonotic genotypes of Cryptosporidium spp. in watersheds.
Chapter: 10 (Page no: 123)

Authors(s): Mohammed, H. O. Wade, S. E.

2009 CABI

Cryptosporidium parvum is a coccidian protozoan that has zoonotic significance. Genotypes of this protozoan are known to contribute significantly to calf morbidity and mortality and hence have become an economic liability for many dairy and beef... More

login prompt Login or subscribe here to view



Clinical presentation in Cryptosporidium-infected patients.
Clinical presentation in Cryptosporidium-infected patients.
Chapter: 11 (Page no: 131)

Authors(s): Kortbeek, L. M.

2009 CABI

In immunocompetent patients Cryptosporidium can lead to a self-limited diarrhoea, sometimes recurrent. Other symptoms are vomiting, nausea, decreased appetite, weight loss, flatulence and abdominal pain and cramps. High levels of oocyst shedding... More

login prompt Login or subscribe here to view



Molecular epidemiology of Cryptosporidium and Giardia infections.
Molecular epidemiology of Cryptosporidium and Giardia infections.
Chapter: 12 (Page no: 138)

Authors(s): Hunter, P. R.

2009 CABI

For infectious diseases, molecular epidemiology can be defined as the use of molecular (predominantly genetic) methods to distinguish between strains of a microbial pathogen in order to identify markers of virulence or host range or to elucidate... More

login prompt Login or subscribe here to view



Advances in diagnosis: is microscopy still the benchmark?
Advances in diagnosis: is microscopy still the benchmark?
Chapter: 13 (Page no: 147)

Authors(s): Chalmers, R. M.

2009 CABI

Despite advances in the biomedical sciences, leading to developments in laboratory diagnostics, examination (usually of faeces) by microscopy remains the keystone of laboratory diagnosis of cryptosporidiosis and giardiasis. In Europe, standard... More

login prompt Login or subscribe here to view



Control of Cryptosporidium and Giardia in surface water by disinfection.
Control of Cryptosporidium and Giardia in surface water by disinfection.
Chapter: 14 (Page no: 158)

Authors(s): Hargy, T. M. Clancy, J. L. Landry, L. P.

2009 CABI

The Greater Vancouver Regional District (GVRD) serves the Greater Vancouver, BC, area, delivering water to 18 Lower Mainland municipalities, which in turn deliver water to approximately 2.1 million people. Water is collected from three mountainous... More

login prompt Login or subscribe here to view



Towards methods for detecting UV-induced damage in individual Cryptosporidium parvum and Cryptosporidium hominis oocysts by immunofluorescence microscopy.
Towards methods for detecting UV-induced damage in individual Cryptosporidium parvum and Cryptosporidium hominis oocysts by immunofluorescence microscopy.
Chapter: 15 (Page no: 179)

Authors(s): Smith, H. V. Al-Adhami, B. H. Nichols, R. A. B. Kusel, J. R. O'Grady, J.

2009 CABI

Water is an important transmission route for cryptosporidiosis, with at least 165 waterborne outbreaks of cryptosporidiosis documented. Cryptosporidium can be controlled through water treatment by physical removal and UV disinfection, and a method... More

login prompt Login or subscribe here to view



Effect of environmental and conventional water treatment processes on waterborne Cryptosporidium oocysts.
Effect of environmental and conventional water treatment processes on waterborne Cryptosporidium oocysts.
Chapter: 16 (Page no: 198)

Authors(s): King, B. Keegan, A. Saint, C. Monis, P.

2009 CABI

Cryptosporidium oocysts are prevalent in surface waters as a result of anthroponotic activity and native animal faecal contamination. A sound understanding of the impact of environmental and water treatment processes on the survival of oocysts is... More

login prompt Login or subscribe here to view



Methods for genotyping and subgenotyping Cryptosporidium spp. oocysts isolated during water and food monitoring.
Methods for genotyping and subgenotyping Cryptosporidium spp. oocysts isolated during water and food monitoring.
Chapter: 17 (Page no: 210)

Authors(s): Smith, H. V. Nichols, R. A. B. Connelly, L. Sullivan, C. B.

2009 CABI

Cryptosporidium oocysts are frequent contaminants of water, with contributions from infected human and non-human hosts, livestock and agricultural practices, and infected feral and transport hosts. Numerous waterborne outbreaks of... More

login prompt Login or subscribe here to view



Intervention in waterborne disease.
Intervention in waterborne disease.
Chapter: 18 (Page no: 227)

Authors(s): Nichols, G. Lake, I. R. Chalmers, R. M. Bentham, G. Harrison, F. C. D. Hunter, P. R. Kovats, S. Grundy, C. Anthony, S. Lyons, H. Agnew, M. Proctor, C.

2009 CABI

Waterborne disease resulting from contaminated drinking and recreational waters is preventable. Since 2000 there has been a significant reduction in cryptosporidiosis in the first half of the year in England and Wales, but not in the second. This... More

login prompt Login or subscribe here to view



Occurrence and control of Naegleria fowleri in drinking water wells.
Occurrence and control of Naegleria fowleri in drinking water wells.
Chapter: 19 (Page no: 238)

Authors(s): Gerba, C. P. Blair, B. L. Sarkar, P. Bright, K. R. MacLean, R. C. Marciano-Cabral, F.

2009 CABI

Naegleria fowleri is a water-based protozoan found naturally in soil and warm waters. The deaths of two children due to N. fowleri in the Phoenix, Arizona, metropolitan area occurred in 2002, and the drinking water obtained from groundwater was... More

login prompt Login or subscribe here to view



Environmental factors influencing the survival of Cyclospora cayetanensis.
Environmental factors influencing the survival of Cyclospora cayetanensis.
Chapter: 20 (Page no: 248)

Authors(s): Ortega, Y. R.

2009 CABI

Cyclospora cayetanensis is a parasite responsible for severe diarrhoeal illness; particularly in children, the elderly and immunocompromised patients. In most instances, transmission has been water- and foodborne. The seasonality of Cyclospora in... More

login prompt Login or subscribe here to view



Recent advances in the developmental biology and life cycle of Cryptosporidium.
Recent advances in the developmental biology and life cycle of Cryptosporidium.
Chapter: 21 (Page no: 255)

Authors(s): Hijjawi, N. S. Boxell, A. C. Thompson, R. C. A.

2009 CABI

Cryptosporidium is an apicomplexan parasite that has gained much attention as a clinically important human pathogen since the late 1980s; however, little is known regarding the developmental biology of this parasite. Recent molecular and... More

login prompt Login or subscribe here to view



Basic biology of Giardia lamblia: further studies on median body and funis.
Basic biology of Giardia lamblia: further studies on median body and funis.
Chapter: 22 (Page no: 266)

Authors(s): Benchimol, M.

2009 CABI

Giardia lamblia is a parasitic protozoan that infects thousands of people all over the world, causing a disease known as giardiasis. Giardia trophozoites are tear-shaped cells with two nuclei located in the anterior region of the cell body.... More

login prompt Login or subscribe here to view



Giardia intestinalis: a microaerophilic parasite with mitochondrial ancestry.
Giardia intestinalis: a microaerophilic parasite with mitochondrial ancestry.
Chapter: 23 (Page no: 284)

Authors(s): León-Avila, G. Hernández, J. M. Tovar, J.

2009 CABI

Highly derived mitochondrion-related organelles originally found in Entamoeba histolytica and known as mitosomes (or cryptons) are heterogeneous in morphology and exist in a range of anaerobic protists including Trachipleistophora hominis and... More

login prompt Login or subscribe here to view



Cytoskeleton-based lipid transport in a parasitic protozoan, Giardia lamblia.
Cytoskeleton-based lipid transport in a parasitic protozoan, Giardia lamblia.
Chapter: 24 (Page no: 292)

Authors(s): Castillo, C. Hernandez, Y. Roychowdhury, S. Das, S.

2009 CABI

The early-divergent protozoan Giardia lamblia, which is a major cause of waterborne enteric disease worldwide, was shown to possess limited lipid synthesis ability and to depend upon preformed lipid molecules for energy production and membrane... More

login prompt Login or subscribe here to view



Signalling during Giardia differentiation.
Signalling during Giardia differentiation.
Chapter: 25 (Page no: 309)

Authors(s): Lauwaet, T. Gillin, F. D.

2009 CABI

Giardia lamblia is a protozoan pathogen of the human small intestine. The life cycle of Giardia and its capacity to differentiate from a motile trophozoite into a dormant, water-resistant cyst, and vice versa, is crucial for its pathogenesis.... More

login prompt Login or subscribe here to view



Preliminary analysis of the Cryptosporidium muris genome.
Preliminary analysis of the Cryptosporidium muris genome.
Chapter: 26 (Page no: 320)

Authors(s): Widmer, G. London, E. Zhang, L. Ge, G. Tzipori, S. Carlton, J. M. Silva, J. C. da

2009 CABI

In 1999, the National Institute of Health (NIH) recognized the importance of sequencing the genome of Cryptosporidium parvum and Cryptosporidium hominis as a means of addressing the urgent need to better understand these human parasites and... More

login prompt Login or subscribe here to view



Proteomic analyses in Giardia.
Proteomic analyses in Giardia.
Chapter: 27 (Page no: 328)

Authors(s): Palm, D. Svärd, S. G.

2009 CABI

The parasitic protozoan Giardia intestinalis is a worldwide cause of diarrhoea, but the mechanism of disease remains elusive. The parasite colonizes the small intestinal epithelium, known to be a sensor for the presence of enteric pathogens,... More

login prompt Login or subscribe here to view



Proteomic and genomic approaches to understanding the
Proteomic and genomic approaches to understanding the 'power plant' of Cryptosporidium.
Chapter: 28 (Page no: 344)

Authors(s): Putignani, L. Sanderson, S. J. Russo, C. Kissinger, J. Menichella, D. Wastling, J. M.

2009 CABI

Cryptosporidium spp. are important parasites of humans and animals for which current therapies are extremely limited. In order to target the biology of this unusual organism, a fuller understanding of its biochemistry, including the role of its... More

login prompt Login or subscribe here to view



Energy metabolism and carbon flow in Cryptosporidium parvum.
Energy metabolism and carbon flow in Cryptosporidium parvum.
Chapter: 29 (Page no: 360)

Authors(s): Zhu, G.

2009 CABI

Cryptosporidium lacks a Krebs cycle in the remnant mitochondria, thus probably solely relies on glycolysis to generate energy. The glycolytic pathway in this parasite consists of enzymes with a complex evolutionary history and diverse phylogenetic... More

login prompt Login or subscribe here to view



The surface protein repertoires of Cryptosporidium spp. and other apicomplexans.
The surface protein repertoires of Cryptosporidium spp. and other apicomplexans.
Chapter: 30 (Page no: 369)

Authors(s): Templeton, T. J.

2009 CABI

Whole-genome and high-coverage nucleotide sequence information is now available for three species of Cryptosporidium: C. parvum, C. hominis and C. muris. In this chapter I introduce the repertoires of Cryptosporidium surface and secreted proteins... More

login prompt Login or subscribe here to view



Giardan: structure, synthesis, regulation and inhibition.
Giardan: structure, synthesis, regulation and inhibition.
Chapter: 31 (Page no: 382)

Authors(s): S¸ener, K. Keulen, H. van Jarroll, E. L.

2009 CABI

During encystment, Giardia trophozoites become encased in a filamentous extracellular matrix of their own making that consists of novel cyst wall proteins (Cwp) 1, 2 and 3, and a novel 2-acetamido-2-deoxy-d-galactan we are naming giardan. Giardan... More

login prompt Login or subscribe here to view



Protein kinase C in Giardia duodenalis: a family affair.
Protein kinase C in Giardia duodenalis: a family affair.
Chapter: 32 (Page no: 398)

Authors(s): Bazán-Tejeda, M. L. Argüello-García, R. Bermúdez-Cruz, R. M. Robles-Flores, M. Ortega-Pierres, G.

2009 CABI

The induction of Giardia duodenalis encystment entails an exquisite interplay among transducer elements, which proceeds in a highly ordered manner in response to external stimuli and leads to changes in gene expression. However, little is known... More

login prompt Login or subscribe here to view



Secretory granule biogenesis and the organization of membrane compartments via SNARE proteins in Giardia lamblia.
Secretory granule biogenesis and the organization of membrane compartments via SNARE proteins in Giardia lamblia.
Chapter: 33 (Page no: 409)

Authors(s): Elías, E. V. Gottig, N. Quiroga, R. Luján, H. D.

2009 CABI

Giardia lamblia trophozoites lack organelles typical of higher eukaryotes such as mitochondria, peroxisomes and compartments involved in intracellular protein trafficking and secretion, the Golgi apparatus and secretory granules. Nevertheless, the... More

login prompt Login or subscribe here to view



Molecular mechanisms of Cryptosporidium-induced host actin cytoskeleton dynamics.
Molecular mechanisms of Cryptosporidium-induced host actin cytoskeleton dynamics.
Chapter: 34 (Page no: 418)

Authors(s): O'Hara, S. P. Chen, X. M. LaRusso, N. F.

2009 CABI

Early ultrastructural observations of Cryptosporidium parvum-infected cells consistently described the accumulation of microfilaments beneath the dense band, suggesting the initiation of actin reorganization within the host cell.... More

login prompt Login or subscribe here to view



Pathogenic mechanisms in giardiasis and cryptosporidiosis.
Pathogenic mechanisms in giardiasis and cryptosporidiosis.
Chapter: 35 (Page no: 428)

Authors(s): Buret, A. G.

2009 CABI

This chapter elaborates on pathogenic processes responsible for the production of symptoms during giardiasis and cryptosporidiosis. To date, research findings indicate that both infections share a number of these processes. Infection appears to... More

login prompt Login or subscribe here to view



Interferon-gamma (IFN-γ) in immunological control of cryptosporidial infection.
Interferon-gamma (IFN-γ) in immunological control of cryptosporidial infection.
Chapter: 36 (Page no: 442)

Authors(s): Choudhry, N. Bajaj-Elliott, M. McDonald, V.

2009 CABI

Immunological control of cryptosporidial infection is dependent on a cell-mediated immune response involving CD4+ T cells. These cells produce interferon-gamma (IFN-gamma), and a deficiency in the activity of this... More

login prompt Login or subscribe here to view



Immune response to Giardia infection: lessons from animal models.
Immune response to Giardia infection: lessons from animal models.
Chapter: 37 (Page no: 451)

Authors(s): Singer, S. M. Kamda, J.

2009 CABI

Infection with Giardia intestinalis is one of the most common parasitic infections among humans. In many parts of the world 20% of the population is infected with Giardia at any given time, and most children show evidence of having been... More

login prompt Login or subscribe here to view



Drug treatment and novel drug targets against Giardia and Cryptosporidium.
Drug treatment and novel drug targets against Giardia and Cryptosporidium.
Chapter: 38 (Page no: 463)

Authors(s): Rossignol, J. F.

2009 CABI

Against Cryptosporidium parvum only nitazoxanide and paramomycin show some activity in immunocompromised patients such as those with AIDS. In immunocompetent children and adults, nitazoxanide receives regulatory approval for this indication in the... More

login prompt Login or subscribe here to view