Search Results - "Haas, Wilfried"

Parasitic worms: strategies of host finding, recognition and invasion by Haas, Wilfried

“…Many parasitic worms enter their hosts by active invasion. Their transmission success is often based on a mass production of invasive stages. However, most…”
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Penetration of cercariae into the living human skin: Schistosoma mansoni vs. Trichobilharzia szidati by Haas, Wilfried, Haeberlein, Simone

“…We studied the skin invasion of Schistosoma mansoni cercariae by placing gamma-irradiated and nonirradiated cercariae onto the living human skin and timing the…”
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Chemical attractants of human skin for swimming Schistosoma mansoni cercariae by Haeberlein, Simone, Haas, Wilfried

“…Cercariae of Schistosoma mansoni approach towards their host's skin with a chemokinesis. They respond to human skin extracts by inserting shifts between…”
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Host-finding and host recognition of infective Ancylostoma caninum larvae by Granzer, M, Haas, W

“…A. caninum larvae responded to environmental and host stimuli with four behavioral phases of host-finding. (1) Snake-like movement was stimulated by warmth and…”
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Swimming behaviour of Schistosoma mansoni cercariae: responses to irradiance changes and skin attractants by Brachs, Sebastian, Haas, Wilfried

“…The swimming behaviour of many cercarial species is governed by sensitive responses to light and dark stimuli. We studied the effect of irradiance changes on…”
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Biostatic activity of piscine serum and mucus on myxozoan fish infective stages by Kallert, Dennis Marc, Borrelli, Jennifer, Haas, Wilfried

“…Since the basis of host specificity in Myxozoa, i.e. the differential disposition and extinction of erroneously penetrated myxozoan infective stages in…”
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Selection of the Host's Habitat by Cercariae: From Laboratory Experiments to the Field by Haas, Wilfried, Beran, Bernadett, Loy, Christina

“…The distribution of cercariae was studied in 18-cm-sized cuvettes under different lighting conditions, in Plexiglas cylinders (80 cm high) vertically placed in…”
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Larval trematodes in freshwater molluscs from the Elbe to Danube rivers (Southeast Germany) : before and today by FALTYNKOVA, Anna, HAAS, Wilfried

“…Studies on life cycles of trematodes have a long tradition in Germany; (Odening 1978) listed a total of 177 trematodes, which can potentially complete their…”
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No shot in the dark: Myxozoans chemically detect fresh fish by Kallert, Dennis M., Bauer, Walter, Haas, Wilfried, El-Matbouli, Mansour

“…[Display omitted] ► Stimulation of polar filament discharge and sporoplasm emission in actinospores of three myxozoan species, Myxobolus cerebralis, Myxobolus…”
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Navigation within host tissues: Schistosoma mansoni and Trichobilharzia ocellata schistosomula respond to chemical gradients by Grabe, Kerstin, Haas, Wilfried

“…After penetration of human or duck host's skin schistosomula of Schistosoma mansoni and Trichobilharzia ocellata migrate parallel to the surface in the…”
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Schistosoma mansoni: Human skin ceramides are a chemical cue for host recognition of cercariae by Haas, Wilfried, Haeberlein, Simone, Behring, Sabina, Zoppelli, Eveline

“…Schistosoma mansoni cercariae recognize the human host with a sequence of behavioral responses particularly to chemical host cues. After attaching to the skin…”
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Parasitic worms: strategies of host finding, recognition and invasion 1 by Haas, Wilfried

“…Many parasitic worms enter their hosts by active invasion. Their transmission success is often based on a mass production of invasive stages. However, most…”
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Snail odour-clouds: spreading and contribution to the transmission success of Trichobilharzia ocellata (Trematoda, Digenea) miracidia by Hertel, J, Holweg, A, Haberl, B, Kalbe, M, Haas, W

“…Chemical communication among freshwater organisms is an adaptation to improve their coexistence. Here,we focus on the chemical cues secreted by the freshwater…”
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Infective larvae of the human hookworms Necator americanus and Ancylostoma duodenale differ in their orientation behaviour when crawling on surfaces by HAAS, Wilfried, HABERL, Bernhard, SYAFRUDDIN IRFAN IDRIS, KERSTEN, Stephanie

“…The infective third stage larvae of hookworms infect their hosts by active skin invasion, and they find and recognize their hosts by the behavioural phases of…”
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Behavioural strategies used by the hookworms Necator americanus and Ancylostoma duodenale to find, recognize and invade the human host by HAAS, Wilfried, HABERL, Bernhard, SYAFRUDDIN IRFAN IDRIS, KALLERT, Dennis, KERSTEN, Stephanie, STIEGELER, Petra

“…The infective third-stage larvae of the hookworms Necator americanus and Ancylostoma duodenale infect their human hosts by active skin invasion, but A…”
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Detection of bird schistosomes in lakes by PCR and filter-hybridization by Hertel, Jan, Hamburger, Joseph, Haberl, Bernhard, Haas, Wilfried

“…Many lakes around the world are contaminated with bird schistosome cercariae, which penetrate into human skin, causing an itching dermatitis called “swimmers'…”
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Invasion of the vertebrate skin by cercariae of Trichobilharzia ocellata : penetration processes and stimulating host signals by HAAS, W, VAN DE ROEMER, A

“…The penetration of Trichobilharzia ocellata cercariae into the skin of their duck hosts was described using electron microscopy and histology. The behavior…”
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Diplostomum spathaceum cercariae respond to a unique profile of cues during recognition of their fish host by Haas, Wilfried, Stiegeler, Petra, Keating, Anne, Kullmann, Birgit, Rabenau, Holger, Schönamsgruber, Eric, Haberl, Bernhard

“…During its normal life cycle, Diplostomum spathaceum cercariae attach to and invade fish intermediate hosts. They are also known to attach to various other…”
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Ultrastructure of pigmented and unpigmented photoreceptors in cercariae of Trichobilharzie ocellata (Plathelminthes, Trematoda, Schistosomatidae): evidence for the evolution of parasitism in Neodermata by SOPOTT-EHLERS, Beate, HAAS, Wilfried, EHLERS, Ulrich

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Life cycle studies of Myxobolus parviformis sp. n. (Myxozoa: Myxobolidae) from bream by KALLERT, Dennis M, ESZTERBAUER, Edit, ERSEUS, Christer, EL-MATBOULI, Mansour, HAAS, Wilfried

“…We experimentally followed the life cycle of Myxobolus parviformis sp. n., a myxozoan parasite from the gills of common bream Abramis brama L. Establishing the…”
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