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Who was the real sabertooth predator: Thylacosmilus or Thylacoleo?
Anat Rec (Hoboken). 2024 Apr 10. doi: 10.1002/ar.25444. Online ahead of print.ABSTRACTSabertoothed mammalian predators, all now extinct, were almost exclusively feloid carnivorans (Eutheria, Placentalia): here a couple of extinct metatherian predators are considered in comparison with the placental sabertooths. Thylacosmilus (the "marsupial sabertooth") and Thylacoleo (the "marsupial lion") were both relatively large (puma-sized) carnivores of the Plio-Pleistocene in the Southern Hemisphere (Argentina and Australia, respectively). Both carnivores have captured the public imagination, especially as predators that were someh...
Source: Anatomical Record - April 10, 2024 Category: Anatomy Authors: Christine M Janis Source Type: research

Compilation of regulations and procedures for monitoring filamentous fungi in hospital environments
Rev Argent Microbiol. 2024 Apr 9:S0325-7541(24)00020-8. doi: 10.1016/j.ram.2024.02.001. Online ahead of print.ABSTRACTAir and surfaces in the hospital environment are a potential source of exposure to filamentous fungi (FF) that could cause invasive fungal diseases (IFD) in severely immunocompromised patients. The prevalent FF in IFD are species from the genera Aspergillus, Fusarium, Scedosporium, and those within the order Mucorales. We have compiled regulations and described the procedures used in the clinical mycology laboratory to assess the presence of FF in areas at risk for the development of IFD. The infection cont...
Source: Revista Argentina de Microbiologia - April 10, 2024 Category: Microbiology Authors: Iris L Agorio Norma B Fern ández Mar ía Silvia Relloso Ivana Maldonado Source Type: research

Health-promoting peptides in fermented beverages
Rev Argent Microbiol. 2024 Apr 9:S0325-7541(24)00022-1. doi: 10.1016/j.ram.2024.02.003. Online ahead of print.ABSTRACTSince ancient times, the consumption of fermented low-alcoholic beverages has enjoyed widespread popularity in various countries, because of their distinct flavors and health benefits. Several studies have demonstrated that light to moderate alcohol consumption is associated with beneficial effects on human health, mainly in cardiovascular disease prevention. Fermented beverages have different non-ethanol components that confer beneficial health effects. These bioactive compounds are mainly peptides that ha...
Source: Revista Argentina de Microbiologia - April 10, 2024 Category: Microbiology Authors: Gisselle Raquel Apud Irina Kristof Silvana Cecilia Ledesma Maria Gilda Stivala Pedro Adrian Aredes Fernandez Source Type: research

Performance Assessment of Treponemal and Nontreponemal Tests for the Diagnosis of Acquired Syphilis
In this study, we analyzed one NTT (Venereal Disease Research Laboratory [VDRL] test, Wiener Laboratories, Rosario, Argentina) and two TTs (fluorescent treponemal antibody absorption [FTA-ABS] test, Euroimmun, Lübeck, Germany, and syphilis recombinant ELISA v. 4.0 test [ELISA], Wiener Laboratories, Rosario, Argentina) using a panel of 187 samples, including serum samples from 31 individuals with primary syphilis, 77 with secondary syphilis, and 79 with latent syphilis. An additional 192 samples from uninfected individuals and 323 serum samples from individuals with other diseases were included. The sensitivities of the VD...
Source: The American Journal of Tropical Medicine and Hygiene - April 9, 2024 Category: Tropical Medicine Authors: Ângelo Antônio Oliveira Silva Ayla Ara újo Lima Larissa de Carvalho Medrado Vasconcelos Ros ângela Andrade de Almeida Nat ália Erdens Maron de Freitas Fernanda Lopes Habib Talita Andrade Oliva Miralba Freire de Carvalho Ribeiro da Silva Isadora Crist Source Type: research

Performance Assessment of Treponemal and Nontreponemal Tests for the Diagnosis of Acquired Syphilis
In this study, we analyzed one NTT (Venereal Disease Research Laboratory [VDRL] test, Wiener Laboratories, Rosario, Argentina) and two TTs (fluorescent treponemal antibody absorption [FTA-ABS] test, Euroimmun, Lübeck, Germany, and syphilis recombinant ELISA v. 4.0 test [ELISA], Wiener Laboratories, Rosario, Argentina) using a panel of 187 samples, including serum samples from 31 individuals with primary syphilis, 77 with secondary syphilis, and 79 with latent syphilis. An additional 192 samples from uninfected individuals and 323 serum samples from individuals with other diseases were included. The sensitivities of the VD...
Source: Am J Trop Med Hyg - April 9, 2024 Category: Infectious Diseases Authors: Ângelo Antônio Oliveira Silva Ayla Ara újo Lima Larissa de Carvalho Medrado Vasconcelos Ros ângela Andrade de Almeida Nat ália Erdens Maron de Freitas Fernanda Lopes Habib Talita Andrade Oliva Miralba Freire de Carvalho Ribeiro da Silva Isadora Crist Source Type: research

Antifungal activity of extracts from < em > Justicia < /em > species against < em > Fusarium graminearum < /em >
Nat Prod Res. 2024 Apr 5:1-6. doi: 10.1080/14786419.2024.2334334. Online ahead of print.ABSTRACTFusarium graminearum causes destructive ear rot diseases in maize and wheat. New antifungals are essential to combat this pathogen, and aerial parts of Justicia species (Acanthaceae) are a potential source. We investigated the antifungal activity of extracts from stems and leaves of five Justicia species native to Northwest Argentina. The aerial parts were subjected to sequential extractions with dichloromethane, ethyl acetate, and methanol. The resulting extracts were tested by the disc diffusion method against F. graminearum s...
Source: Natural Product Research - April 5, 2024 Category: Biochemistry Authors: Mariana Del H Sanchez Mat ías Anal ía de Los A Gómez Cristina M Jim énez Sarah Tanguy Guillo Mar ía Eugenia Del M Aristimuño Ficoseco C ésar A N Catalán Rapha ël Grougnet Marina Kritsanida Diego A Sampietro Source Type: research