LIVIVO - Das Suchportal für Lebenswissenschaften

switch to English language
Erweiterte Suche

Ihre letzten Suchen

  1. AU="Ghrab, Jamila"
  2. AU="Bahramizadeh, Mahmood"
  3. AU="Ysmail-Dahlouk, Salim"
  4. AU=Kambara Hiroto
  5. AU="Khamassi, Mehdi"
  6. AU="Green, A"
  7. AU="Cai, Mengting"
  8. AU="Virdi, Annalucia"
  9. AU="Martínez-Taboas, Alfonso"
  10. AU="Yakhou-Harris, F"
  11. AU="Löffler, Bernd"
  12. AU="Kawamura, Michihiro"
  13. AU="Reinius, Björn"
  14. AU="Reis, L C"
  15. AU=Bonsignore M R
  16. AU="Millard, Glenda M"
  17. AU="Springer, Andrea"
  18. AU="Hyunho Han"
  19. AU="Grommen, Sylvia V H"
  20. AU="Asemani, Yahya"
  21. AU="Ketomäki, Tuomo"
  22. AU=Cavallini Giorgio
  23. AU="Saha, Aakash"
  24. AU="Noguchi, J"
  25. AU="Löhr, B."
  26. AU="Lokie, Kelsey B"

Suchergebnis

Treffer 1 - 9 von insgesamt 9

Suchoptionen

  1. Artikel: Diversity, Abundance and

    Weslati, Marwa / Ghrab, Jamila / Benabid, Meriem / Souissi, Olfa / Aoun, Karim / Bouratbine, Aïda

    Microorganisms

    2022  Band 10, Heft 5

    Abstract: We report the study of ... ...

    Abstract We report the study of sandfly
    Sprache Englisch
    Erscheinungsdatum 2022-05-11
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms10051012
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  2. Artikel ; Online: Canine Leishmania spp. infection in two distinct foci of visceral and cutaneous leishmaniasis in Tunisia.

    Zribi, Lilia / El Houda Ben-Fayala, Nour / Aissi, Wafa / Ben-Abid, Meriem / Souissi, Olfa / Hamdi, Noureddine / Boulehmi, Nada / Ghrab, Jamila / Jemni, Amira / Jamel, Arij / Handous, Meriem / Bouratbine, Aïda / Oliva, Gaetano / Aoun, Karim

    Veterinary parasitology, regional studies and reports

    2023  Band 44, Seite(n) 100906

    Abstract: Visceral leishmaniasis (VL) and zoonotic cutaneous leishmaniasis (ZCL) caused by Leishmania (L.) infantum and L. major, respectively, are endemic in Tunisia. The aim of the study was to assess canine Leishmania spp. infection prevalence as well as to ... ...

    Abstract Visceral leishmaniasis (VL) and zoonotic cutaneous leishmaniasis (ZCL) caused by Leishmania (L.) infantum and L. major, respectively, are endemic in Tunisia. The aim of the study was to assess canine Leishmania spp. infection prevalence as well as to identify the Leishmania species involved in two well-documented and geographically distinct VL and ZCL foci. One hundred seventy-six dogs were randomly recruited in the VL focus of Sbikha-Zaghouan (n = 100) and the ZCL focus of Echrarda-Nasrallah (n = 76). Physical examination and blood collection were systemically performed. Needle aspiration was done in case of lymph node (LN) enlargement. All sera were tested by ELISA. kDNA RT-PCR was performed on DNA extracts from (i) buffy coats of seropositive dogs and (ii) LN aspirates. Leishmania species identification was done by ITS1 PCR-sequencing. Thirty-three dogs (18.8%) were infected by Leishmania; 30 having anti-Leishmania antibodies and 3 were seronegative dogs with Leishmania DNA in LN aspirates. Prevalence of infection was significantly higher in VL foci than in ZCL foci (27% versus 7.9%, p = 0.002). Leishmania species was identified in 11 dogs and corresponded to L. infantum. Combination of serology and qPCR on LN aspirates seems to be the best option for canine leishmaniasis diagnosis. Infection is more frequent in VL foci and L. infantum is the only identified species.
    Mesh-Begriff(e) Dogs ; Animals ; Tunisia/epidemiology ; Leishmaniasis, Cutaneous/diagnosis ; Leishmaniasis, Cutaneous/epidemiology ; Leishmaniasis, Cutaneous/veterinary ; Leishmania/genetics ; Leishmaniasis, Visceral/diagnosis ; Leishmaniasis, Visceral/epidemiology ; Leishmaniasis, Visceral/veterinary ; DNA, Kinetoplast ; Dog Diseases/diagnosis ; Dog Diseases/epidemiology
    Chemische Substanzen DNA, Kinetoplast
    Sprache Englisch
    Erscheinungsdatum 2023-06-29
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2405-9390
    ISSN (online) 2405-9390
    DOI 10.1016/j.vprsr.2023.100906
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  3. Artikel: Potential Transmission Cycles of Leishmania tropica in a Historic Disease Focus of Cutaneous Leishmaniasis in Southeast Tunisia

    Tabbabi, Ahmed / Bousslimi, Nadia / Rhim, Adel / Sghaier, Ines Ben / Ghrab, Jamila / Ben-Abda, Imene / Aoun, Karim / Bouratbine, Aïda

    Journal of entomological science. 2020 Jan. 3, v. 55, no. 1

    2020  

    Abstract: The transmission of Leishmania tropica (Wright) (Protozoa: Sarcomastigophora: Trypanosomatidae) was studied in a historic focus of the cutaneous leishmaniasis disease in southeast Tunisia. The sandfly Phlebotomus sergenti (Parrot) (Diptera: Psychodidae), ...

    Abstract The transmission of Leishmania tropica (Wright) (Protozoa: Sarcomastigophora: Trypanosomatidae) was studied in a historic focus of the cutaneous leishmaniasis disease in southeast Tunisia. The sandfly Phlebotomus sergenti (Parrot) (Diptera: Psychodidae), the confirmed vector of L. tropica in humans, was the most abundant Phlebotomus species found in homes. Phlebotomus chabaudi s.l. (Croset) was the dominant species in the natural rocky habitats favored by the North African gundi, Ctenodactylus gundi (Rothman), which is a known putative rodent reservoir of L. tropica. Leishmania tropica MON-8 (Rioux, Lanotte and Pratlong) was the species isolated and identified from gundi, humans, and P. sergenti in the disease focus area. Based on these results, the North African gundi may serve at least as a maintenance host for L. tropica in this area of southeast Tunisia, even though L. tropica is commonly stated to be anthroponotic. These results also suggest that there may be two transmission cycles of L. tropica in this region, with P. sergenti transmitting L. tropica among humans inside and in peridomestic habitats and P. chabaudi s.l. transmitting the disease agent among gundi in their natural habitats. Phlebotomus chabaudi s.l. also may transmit to humans when humans venture into areas inhabited by gundi host reservoirs.
    Schlagwörter Leishmania tropica ; Phlebotomus sergenti ; cutaneous leishmaniasis ; disease transmission ; dominant species ; habitats ; humans ; rodents ; Tunisia
    Sprache Englisch
    Erscheinungsverlauf 2020-0103
    Umfang p. 38-45.
    Erscheinungsort Georgia Entomological Society
    Dokumenttyp Artikel
    ZDB-ID 12629-9
    ISSN 0749-8004
    ISSN 0749-8004
    DOI 10.18474/0749-8004-55.1.38
    Datenquelle NAL Katalog (AGRICOLA)

    Zusatzmaterialien

    Kategorien

  4. Artikel ; Online: Temporal dynamics and Leishmania infantum infection prevalence of Phlebotomus perniciosus (Diptera, Phlebotominae) in highly endemic areas of visceral leishmaniasis in Tunisia.

    Benabid, Meriem / Ghrab, Jamila / Rhim, Adel / Ben-Romdhane, Rania / Aoun, Karim / Bouratbine, Aïda

    PloS one

    2017  Band 12, Heft 9, Seite(n) e0184700

    Abstract: Phlebotomus perniciosus is one of the major vectors of Leishmania infantum in the Mediterranean basin. The aim of this work was (i) to provide information about abundance and temporal dynamics of this Larroussius species in a hot spot area of visceral ... ...

    Abstract Phlebotomus perniciosus is one of the major vectors of Leishmania infantum in the Mediterranean basin. The aim of this work was (i) to provide information about abundance and temporal dynamics of this Larroussius species in a hot spot area of visceral leishmaniasis in Tunisia, (ii) to detect L. infantum DNA in wild caught female sandflies and (iii) to measure Phlebotomus perniciosus infection rate throughout the active season. Sandflies were collected monthly during one year using CDC miniature light-traps in house and in animal shelters. Male specimens were identified at species level according to morphological characters. Female specimens were conserved individually for molecular study. Leishmania infection was tested by kinetoplast DNA real-time PCR and ITS-1 PCR-sequencing. Subsequent sandfly species identification of infected specimens was done by mitochondrial cytochrome b sequencing. In one year period, overall 4,441 specimens (2230 males and 2211 females) were collected. Sandfly activity started in end-April and ended in early-November. Mean sandfly density in house was significantly lower than in animal shelters (51 ± 50 versus 504 ± 460 sandflies /CDC night, p<0.05). However, a higher proportion of females was found in house (58.4% versus 49.2%, p<0.001). Based on species identification of male specimens, Phlebotomus perniciosus was the dominant species (56% of the whole male sandfly fauna, p<0.0001). It showed two peaks of density in the active season, a sharp one in early May and a higher long lasting one from end-July to end-September. DNA was extracted from 190 female specimens randomly sampled and corresponding to 96 specimens from house and 94 from animal shelters. Twenty four female sandfly were infected by Leishmania infantum. All infected specimens were recognized as Phlebotomus perniciosus. Leishmania infantum infection rate in female sandflies was 2.3 fold higher in house than in animal shelters (17.7% versus 7.4%, p<0.05). In house, estimated number of infected specimens was the highest at the end of the active season. Abundance, dynamics of density and Leishmania infantum infection prevalence of Phlebotomus perniciosus in Tunisian hot spot of visceral leishmaniasis highlight the major role of this Phlebotominae species in L. infantum transmission.
    Mesh-Begriff(e) Animals ; Cytochromes b/genetics ; DNA, Protozoan ; Endemic Diseases ; Female ; Housing ; Housing, Animal ; Leishmania infantum/genetics ; Leishmaniasis, Visceral/epidemiology ; Leishmaniasis, Visceral/transmission ; Male ; Phlebotomus/parasitology ; Seasons ; Time Factors ; Tunisia/epidemiology
    Chemische Substanzen DNA, Protozoan ; Cytochromes b (9035-37-4)
    Sprache Englisch
    Erscheinungsdatum 2017-09-21
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0184700
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  5. Artikel ; Online: Zoonotic Cutaneous Leishmaniasis Prevalence Among Farmers in Central Tunisia, 2014.

    Bellali, Hedia / Chemak, Fraj / Nouiri, Issam / Ben Mansour, Dorra / Ghrab, Jamila / Chahed, Mohamed Kouni

    Journal of agromedicine

    2017  Band 22, Heft 3, Seite(n) 244–250

    Abstract: Objective: Zoonotic cutaneous leishmaniasis (ZCL) is endemic in central Tunisia and is more prevalent in rural agricultural areas. The aim of this work was to determine ZCL prevalence among farmers and to test their availability to take ownership of the ...

    Abstract Objective: Zoonotic cutaneous leishmaniasis (ZCL) is endemic in central Tunisia and is more prevalent in rural agricultural areas. The aim of this work was to determine ZCL prevalence among farmers and to test their availability to take ownership of the problem and participate actively to fight and address the disease.
    Methods: A sample of farmers from Sidi Bouzid, central Tunisia, was selected randomly. Farmers were interviewed using a standardized questionnaire about ZCL lesion occurrence, its date of onset among family members, and the farmers' availability to contribute to fighting this disease.
    Results: ZCL occurred in at least one of the family members of 38.5% interviewed farmers. The disease was endemic with recurrent epidemics every 4 or 5 years. ZCL among farmers was associated with irrigation management. With regard to ZCL preventive measures, the majority of farmers agreed and expressed willingness to collaborate (93.1%), to follow health care facilities instructions (73.1%), and to join the nongovernmental organization (NGO) (56.9%). However, they did not agree to reduce irrigation activities mainly at night, to live far from their irrigated fields, or to sleep out of their houses at night.
    Conclusions: ZCL is more prevalent in farmers engaged in irrigation activities. Farmers are not agreeable to reducing their activity to avoid exposure to the sand fly bites. Thus, population involvement and commitment is required to implement effective control measures to fight and address ZCL.
    Mesh-Begriff(e) Adult ; Animals ; Cross-Sectional Studies ; Farmers/statistics & numerical data ; Female ; Humans ; Leishmaniasis, Cutaneous/epidemiology ; Male ; Middle Aged ; Tunisia/epidemiology ; Young Adult ; Zoonoses/epidemiology ; Zoonoses/transmission
    Sprache Englisch
    Erscheinungsdatum 2017
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1289325-0
    ISSN 1545-0813 ; 1059-924X
    ISSN (online) 1545-0813
    ISSN 1059-924X
    DOI 10.1080/1059924X.2017.1318725
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  6. Artikel: Habitats of the sandfly vectors of Leishmania tropica and L. major in a mixed focus of cutaneous leishmaniasis in southeast Tunisia

    Tabbabi, Ahmed / Ghrab, Jamila / Aoun, Karim / Ready, Paul Donald / Bouratbine, Aïda

    Acta tropica. 2011 Aug., v. 119, no. 2-3

    2011  

    Abstract: From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species ...

    Abstract From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species diversity was quantified in anthropogenic, semi-anthropogenic and semi-natural locations. Sandflies were identified according to morphological characters and also by the comparative sequence analysis of a fragment of the mitochondrial cytochrome b gene to distinguish between two putative local vectors of L. tropica, namely Phlebotomus chabaudi and Phlebotomus riouxi. The lowest sandfly diversities were found in L. major sites, where the incriminated vector P. papatasi predominated in the burrows of the rodent reservoir hosts (Meriones) as well as inside and outside houses of human cases. In L. tropica sites, the incriminated peri-domestic vector Phlebotomus sergenti was the most abundant species inside houses, whereas P. riouxi or P. chabaudi was the dominant species in the semi-natural rocky habitats favoured by the putative rodent reservoir, Ctenodactylus gundi. All specimens of P. chabaudi identified molecularly had the diagnostic cytochrome b characters of P. riouxi, indicating either that the latter represents only a geographical variant of P. chabaudi or that these two species may sometimes hybridize.
    Schlagwörter CDC light traps ; Leishmania major ; Leishmania tropica ; Meriones ; Phlebotomus sergenti ; burrows ; cutaneous leishmaniasis ; cytochrome b ; disease reservoirs ; genes ; habitats ; humans ; rodents ; sequence analysis ; species diversity ; Tunisia
    Sprache Englisch
    Erscheinungsverlauf 2011-08
    Umfang p. 131-137.
    Erscheinungsort Elsevier B.V.
    Dokumenttyp Artikel
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2011.05.002
    Datenquelle NAL Katalog (AGRICOLA)

    Zusatzmaterialien

    Kategorien

  7. Artikel ; Online: Habitats of the sandfly vectors of Leishmania tropica and L. major in a mixed focus of cutaneous leishmaniasis in southeast Tunisia.

    Tabbabi, Ahmed / Ghrab, Jamila / Aoun, Karim / Ready, Paul Donald / Bouratbine, Aïda

    Acta tropica

    2011  Band 119, Heft 2-3, Seite(n) 131–137

    Abstract: From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species ...

    Abstract From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species diversity was quantified in anthropogenic, semi-anthropogenic and semi-natural locations. Sandflies were identified according to morphological characters and also by the comparative sequence analysis of a fragment of the mitochondrial cytochrome b gene to distinguish between two putative local vectors of L. tropica, namely Phlebotomus chabaudi and Phlebotomus riouxi. The lowest sandfly diversities were found in L. major sites, where the incriminated vector P. papatasi predominated in the burrows of the rodent reservoir hosts (Meriones) as well as inside and outside houses of human cases. In L. tropica sites, the incriminated peri-domestic vector Phlebotomus sergenti was the most abundant species inside houses, whereas P. riouxi or P. chabaudi was the dominant species in the semi-natural rocky habitats favoured by the putative rodent reservoir, Ctenodactylus gundi. All specimens of P. chabaudi identified molecularly had the diagnostic cytochrome b characters of P. riouxi, indicating either that the latter represents only a geographical variant of P. chabaudi or that these two species may sometimes hybridize.
    Mesh-Begriff(e) Animals ; Cytochromes b/genetics ; DNA, Mitochondrial/chemistry ; DNA, Mitochondrial/genetics ; Disease Vectors ; Ecosystem ; Female ; Genetic Variation ; Gerbillinae/growth & development ; Humans ; Leishmania major/isolation & purification ; Leishmania tropica/isolation & purification ; Leishmaniasis, Cutaneous/epidemiology ; Male ; Phlebotomus/anatomy & histology ; Phlebotomus/classification ; Phlebotomus/genetics ; Phlebotomus/growth & development ; Tunisia/epidemiology
    Chemische Substanzen DNA, Mitochondrial ; Cytochromes b (9035-37-4)
    Sprache Englisch
    Erscheinungsdatum 2011-08
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 210415-5
    ISSN 1873-6254 ; 0001-706X
    ISSN (online) 1873-6254
    ISSN 0001-706X
    DOI 10.1016/j.actatropica.2011.05.002
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  8. Artikel ; Online: Visceral leishmaniasis in Tunisia: spatial distribution and association with climatic factors.

    Ben-Ahmed, Kais / Aoun, Karim / Jeddi, Fakhri / Ghrab, Jamila / El-Aroui, Mhamed-Ali / Bouratbine, Aïda

    The American journal of tropical medicine and hygiene

    2009  Band 81, Heft 1, Seite(n) 40–45

    Abstract: Visceral leishmaniasis (VL) cases in children less than five years of age were recorded from 1996 through 2006 from Tunisian pediatric departments. Mean incidence rates were calculated for each of the 215 districts in the study area. Averages of annual ... ...

    Abstract Visceral leishmaniasis (VL) cases in children less than five years of age were recorded from 1996 through 2006 from Tunisian pediatric departments. Mean incidence rates were calculated for each of the 215 districts in the study area. Averages of annual rainfall and extreme values of low temperatures in winter and high temperatures in summer were used to characterize the climate of each district according to its continentality index and bioclimatic zone. A geographic information system and a local indicator of spatial association were used to summarize the spatial properties of VL distribution. Poisson spatial regression was performed to study the relationship between VL incidence rates and climatic parameters. We identified one hot-spot region of 35 inland districts located mostly in the semi-arid bioclimatic zone and two cold-spots located in coastal regions of the northeastern sub-humid zone and the southeastern arid zone. The incidence rate of VL was positively correlated with mean yearly rainfall and continentality index.
    Mesh-Begriff(e) Climate ; Humans ; Incidence ; Leishmaniasis, Visceral/epidemiology ; Leishmaniasis, Visceral/etiology ; Poisson Distribution ; Rain ; Time Factors ; Tunisia/epidemiology
    Sprache Englisch
    Erscheinungsdatum 2009-07
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2942-7
    ISSN 1476-1645 ; 0002-9637
    ISSN (online) 1476-1645
    ISSN 0002-9637
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

  9. Artikel: Habitats of the sandfly vectors of Leishmania tropica and L. major in a mixed focus of cutaneous leishmaniasis in southeast Tunisia

    Tabbabi, Ahmed / Ghrab, Jamila / Aoun, Karim / Ready, Paul Donald / Bouratbine, Aïda

    Acta tropica

    Band v. 119,, Heft no. 2

    Abstract: From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species ...

    Abstract From 2009 to 2010, 3129 sandflies were caught in CDC light traps placed in various habitats in Ghomrassen, Tataouine governorate, southeast Tunisia, a mixed focus of human cutaneous leishmaniasis caused by Leishmania tropica and Leishmania major. Species diversity was quantified in anthropogenic, semi-anthropogenic and semi-natural locations. Sandflies were identified according to morphological characters and also by the comparative sequence analysis of a fragment of the mitochondrial cytochrome b gene to distinguish between two putative local vectors of L. tropica, namely Phlebotomus chabaudi and Phlebotomus riouxi. The lowest sandfly diversities were found in L. major sites, where the incriminated vector P. papatasi predominated in the burrows of the rodent reservoir hosts (Meriones) as well as inside and outside houses of human cases. In L. tropica sites, the incriminated peri-domestic vector Phlebotomus sergenti was the most abundant species inside houses, whereas P. riouxi or P. chabaudi was the dominant species in the semi-natural rocky habitats favoured by the putative rodent reservoir, Ctenodactylus gundi. All specimens of P. chabaudi identified molecularly had the diagnostic cytochrome b characters of P. riouxi, indicating either that the latter represents only a geographical variant of P. chabaudi or that these two species may sometimes hybridize.
    Schlagwörter habitats ; cutaneous leishmaniasis ; CDC light traps ; genes ; humans ; Leishmania tropica ; Phlebotomus sergenti ; Meriones ; disease reservoirs ; burrows ; cytochrome b ; sequence analysis ; Leishmania major ; species diversity ; rodents
    Sprache Englisch
    Dokumenttyp Artikel
    ISSN 0001-706X
    Datenquelle AGRIS - International Information System for the Agricultural Sciences and Technology

    Zusatzmaterialien

    Kategorien

Zum Seitenanfang