Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: Am J Trop Med Hyg - January 3, 2024 Category: Infectious Diseases Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: The American Journal of Tropical Medicine and Hygiene - January 3, 2024 Category: Tropical Medicine Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: Am J Trop Med Hyg - January 3, 2024 Category: Infectious Diseases Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: The American Journal of Tropical Medicine and Hygiene - January 3, 2024 Category: Tropical Medicine Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: Am J Trop Med Hyg - January 3, 2024 Category: Infectious Diseases Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: Am J Trop Med Hyg - January 3, 2024 Category: Infectious Diseases Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Surveillance of Fleas and Their Small Mammal Hosts for Plague Risks in Some Main Seaports of the Islands of the Southwestern Indian Ocean
This study reports animal-based surveillance aimed at identifying fleas and their small mammal hosts in SWIO seaports as well as Yersinia pestis detection. Small mammal trappings were performed in five main seaports of Madagascar (Toamasina and Mahajanga), Mauritius (Port Louis), and the Union of Comoros (Moroni and Mutsamudu). Mammals were euthanized and their fleas collected and morphologically identified before Y. pestis detection. In total, 145 mammals were trapped: the brown rat Rattus norvegicus (76.5%), the black rat Rattus rattus (8.3%), and the Asian house shrew Suncus murinus (15.2%). Fur brushing allowed collect...
Source: The American Journal of Tropical Medicine and Hygiene - January 3, 2024 Category: Tropical Medicine Authors: Mireille Harimalala Ravo Rakotobe Harimanana Abdou Azali Hamza Romain Girod Source Type: research
Neuroanatomy and pneumaticity of the extinct Malagasy "horned" crocodile Voay robustus and its implications for crocodylid phylogeny and palaeoecology
Anat Rec (Hoboken). 2023 Dec 20. doi: 10.1002/ar.25367. Online ahead of print.ABSTRACTVoay robustus, the extinct Malagasy "horned" crocodile, was originally considered to be the only crocodylian representative in Madagascar during most part of the Holocene. However, Malagasy crocodylian remains have had confused taxonomic attributions and recent studies have underlined that Crocodylus and Voay populations coexisted on the island for at least 7500 years. Here, we describe the inner braincase anatomy of Voay robustus using x-ray computed tomography on four specimens, to provide new anatomical information that distinguishes V...
Source: Anatomical Record - December 20, 2023 Category: Anatomy Authors: Gwendal Perrichon Yohan Pochat-Cottilloux Davide Conedera Pascale Richardin Vincent Fernandez Lionel Hautier Jeremy E Martin Source Type: research
Neuroanatomy and pneumaticity of the extinct Malagasy "horned" crocodile Voay robustus and its implications for crocodylid phylogeny and palaeoecology
Anat Rec (Hoboken). 2023 Dec 20. doi: 10.1002/ar.25367. Online ahead of print.ABSTRACTVoay robustus, the extinct Malagasy "horned" crocodile, was originally considered to be the only crocodylian representative in Madagascar during most part of the Holocene. However, Malagasy crocodylian remains have had confused taxonomic attributions and recent studies have underlined that Crocodylus and Voay populations coexisted on the island for at least 7500 years. Here, we describe the inner braincase anatomy of Voay robustus using x-ray computed tomography on four specimens, to provide new anatomical information that distinguishes V...
Source: Anatomical Record - December 20, 2023 Category: Anatomy Authors: Gwendal Perrichon Yohan Pochat-Cottilloux Davide Conedera Pascale Richardin Vincent Fernandez Lionel Hautier Jeremy E Martin Source Type: research
A potential transition from a concentrated to a generalized HIV epidemic: the case of Madagascar
ConclusionsThese results suggest that Madagascar may be experiencing a silent transition from a concentrated to a generalized HIV epidemic. This case-study model could help to understand how this HIV epidemic transition occurs.Graphical abstract (Source: Infectious Diseases of Poverty)
Source: Infectious Diseases of Poverty - December 7, 2023 Category: Infectious Diseases Source Type: research
Metabolites from a < em > Pleurotus tuber-regium < /em > collected in Madagascar
Nat Prod Res. 2023 Nov 30:1-7. doi: 10.1080/14786419.2023.2288934. Online ahead of print.ABSTRACTPleurotus tuber-regium was isolated from a dead trunk of Raphia farinifera (Arecaceae) in a lowland moist forest in Antsohihy, Madagascar, and the species was confirmed by molecular analysis and morphological observations. The main bioactive metabolites of the mycelium extracts were identified by mass spectrometry techniques. Five structural diverse metabolites, tryptophol, pyroglutamic acid, prolyldiketopiperazine B, sporol and RKS-1778, were characterised by LC-MS qTOF analysis of the hydro-alcoholic extract. GC-MS analysis o...
Source: Natural Product Research - November 30, 2023 Category: Biochemistry Authors: Alessia Staropoli Maria Michela Salvatore Anna Andolfi Samuele Voyron Francesco Vinale Antonietta Mello Source Type: research
Metabolites from a < em > Pleurotus tuber-regium < /em > collected in Madagascar
Nat Prod Res. 2023 Nov 30:1-7. doi: 10.1080/14786419.2023.2288934. Online ahead of print.ABSTRACTPleurotus tuber-regium was isolated from a dead trunk of Raphia farinifera (Arecaceae) in a lowland moist forest in Antsohihy, Madagascar, and the species was confirmed by molecular analysis and morphological observations. The main bioactive metabolites of the mycelium extracts were identified by mass spectrometry techniques. Five structural diverse metabolites, tryptophol, pyroglutamic acid, prolyldiketopiperazine B, sporol and RKS-1778, were characterised by LC-MS qTOF analysis of the hydro-alcoholic extract. GC-MS analysis o...
Source: Natural Product Research - November 30, 2023 Category: Biochemistry Authors: Alessia Staropoli Maria Michela Salvatore Anna Andolfi Samuele Voyron Francesco Vinale Antonietta Mello Source Type: research
High spatial resolution (10-50 μm) analysis of Sr isotopes in rock-forming apatite by LA-MC-ICP-MS
We present a new routine procedure for analysing rock-forming apatites with a Thermo Scientific Neptune XT MC-ICP-MS coupled with a Teledyne Cetac Analyte Excite+ 193 nm laser ablation system. Five apatite standards that cover a large range of REE/Sr ratios were selected, and their 87Sr/86Sr ratios were measured in solution after dissolution and purification of Sr [Durango: 0.706321(5); Madagascar: 0.711814(5); Slyudyanka; 0.707705(4); Sumé: 0.707247(4); and Ipirá: 0.710487(4)]. The optimisation of both instrument setup and data reduction schemes was achieved through repeated measurements of calibration solutions and of ...
Source: Journal of Analytical Atomic Spectrometry - November 28, 2023 Category: Chemistry Authors: Anda Buzenchi Hugo Moreira Olivier Bruguier Delphine Bosch Bruno Dhuime Source Type: research
High spatial resolution (10-50 μm) analysis of Sr isotopes in rock-forming apatite by LA-MC-ICP-MS
We present a new routine procedure for analysing rock-forming apatites with a Thermo Scientific Neptune XT MC-ICP-MS coupled with a Teledyne Cetac Analyte Excite+ 193 nm laser ablation system. Five apatite standards that cover a large range of REE/Sr ratios were selected, and their 87Sr/86Sr ratios were measured in solution after dissolution and purification of Sr [Durango: 0.706321(5); Madagascar: 0.711814(5); Slyudyanka; 0.707705(4); Sumé: 0.707247(4); and Ipirá: 0.710487(4)]. The optimisation of both instrument setup and data reduction schemes was achieved through repeated measurements of calibration solutions and of ...
Source: Journal of Analytical Atomic Spectrometry - November 28, 2023 Category: Chemistry Authors: Anda Buzenchi Hugo Moreira Olivier Bruguier Delphine Bosch Bruno Dhuime Source Type: research
High spatial resolution (10-50 μm) analysis of Sr isotopes in rock-forming apatite by LA-MC-ICP-MS
We present a new routine procedure for analysing rock-forming apatites with a Thermo Scientific Neptune XT MC-ICP-MS coupled with a Teledyne Cetac Analyte Excite+ 193 nm laser ablation system. Five apatite standards that cover a large range of REE/Sr ratios were selected, and their 87Sr/86Sr ratios were measured in solution after dissolution and purification of Sr [Durango: 0.706321(5); Madagascar: 0.711814(5); Slyudyanka; 0.707705(4); Sumé: 0.707247(4); and Ipirá: 0.710487(4)]. The optimisation of both instrument setup and data reduction schemes was achieved through repeated measurements of calibration solutions and of ...
Source: Journal of Analytical Atomic Spectrometry - November 28, 2023 Category: Chemistry Authors: Anda Buzenchi Hugo Moreira Olivier Bruguier Delphine Bosch Bruno Dhuime Source Type: research
