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2022 ◽  
Vol 82 ◽  
Author(s):  
A. Hedfi ◽  
M. Ben Ali ◽  
A. Noureldeen ◽  
H. Darwish ◽  
T. Saif ◽  
...  

Abstract The main objective of the current study was to assess the impact of the water taken from the ‘Tunisian Refining Industries Company’ on meiobenthic nematodes, before and after a series of treatments in decantation basins followed by its discharge in Bizerte bay, Tunisia. The comparison of environmental parameters of the two types of water was clearly indicative of an improvement in the quality of treated waters after a significant reduction in their loads in hydrocarbons. Overall, the water retained a good quality after being treated by ‘Tunisian Refining Industries Company’ before discharge in the sea. At the end of the experiment, differential responses were observed according to the richness of sediment in organic matter and hydrocarbons. Thus, it was apparent that the nematode assemblage exposed to the treated waters was closer to controls and associated to higher values of abundance, than that under untreated ones. It was also assumed that the species Microlaimus honestus De Man, 1922, Paramonohystera proteus Wieser, 1956 and Cyartonema germanicum Juario, 1972 are sensitive bioindicators of bad environmental statues and of hydrocarbon presence in the environment. On the other hand, Metoncholaimus pristiurus (Zur Strassen, 1894) Filipjev, 1918 would rather be classified as a positive bioindicative species of this type of pollutants.


Aquaculture ◽  
2022 ◽  
pp. 737880
Author(s):  
Claudia Caramelo Brazão ◽  
Rafael Ortiz Kracizy ◽  
Fabrício Martins Dutra ◽  
Matheus Coelho Gonçalves Rodrigues ◽  
Eduardo Luis Cupertino Ballester

2022 ◽  
Vol 24 (1) ◽  
pp. 49-73
Author(s):  
Malena Pastoriza
Keyword(s):  

En este artículo realizamos una lectura conjunta de Responso (1964), la primera novela de Juan José Saer, y Las patas en las fuentes (1965), uno de los primeros poemas publicados por Leónidas Lamborghini. Nos proponemos indagar en las razones por las cuales ambas obras fueron calificadas de ilegibles en el contexto de los años sesenta en Argentina. Partimos de la identificación de una consonancia: sus protagonistas, Alfredo Barrios y el Solicitante Descolocado, son sujetos marginados luego del golpe de Estado y la proscripción del peronismo en 1955. Recurrimos a la categoría de alegoría de la ilegibilidad de Paul de Man para explorar el modo en que se figuran la compleja experiencia de la falta de representación política y los límites de la representación poética.


Zootaxa ◽  
2021 ◽  
Vol 2291 (1) ◽  
Author(s):  
ZENG QI ZHAO

This paper describes two species of the genus of Tripyla from New Zealand and also provides a key to species based on the morphology of females in eight long-tailed (c < 5) species in the genus of Tripyla. Tripyla bioblitz sp. nov. is characterized by its more anterior vulva position (V = 43.7–45.4%), relatively short body length (1150–1410 μm) and long tail (c = 4.0–4.4) in the group. Tripyla filicaudata de Man, 1880 is recorded for the first time from New Zealand and from the Southern Hemisphere. In addition, the phylogenetic relationships among species were analyzed using data from the near full length small subunit (SSU) and D2/D3 expansion segments of the large subunit ribosomal (LSU) rRNA genes, and these analyses revealed that T. bioblitz sp. nov. is close to but distinct from T. filicaudata de Man, 1880.


2021 ◽  
Author(s):  
Paloma Gutiérrez del Arroyo ◽  
Manuel Vilas
Keyword(s):  
De Man ◽  

A cantiga 115, coas súas 30 estrofas, é coñecida tradicionalmente como a máis extensa do corpus marial afonsino. Nela relátase o milagre dun neno que viaxa durante varios anos buscando a salvación antes da chegada do Demo para levalo consigo, anunciada para ao seu décimo quinto aniversario. Para este concerto, acometeuse o reto de facer atractiva unha peza tan especial coma esta a unha audiencia actual, se cadra non sempre afeita á súa linguaxe, ao contido, á lonxitude da súa narración e á súa melodía estrófica. A Real Academia Galega agradece a colaboración para a elaboración deste programa de man de Ricardo Pichel e da comisión organizadora do Congreso «Contarte he maravillas...». Congreso internacional de estudios medievales hispánicos en honor a Joseph T. Snow (Madrid, 25-29 de outubro de 2021).


Author(s):  
Nengneng Zheng ◽  
Renyong Guo ◽  
Jinxi Wang ◽  
Wei Zhou ◽  
Zongxin Ling

Lactobacillus iners, first described in 1999, is a prevalent bacterial species of the vaginal microbiome. As L. iners does not easily grow on de Man-Rogosa-Sharpe agar, but can grow anaerobically on blood agar, it has been initially overlooked by traditional culture methods. It was not until the wide application of molecular biology techniques that the function of L. iners in the vaginal microbiome was carefully explored. L. iners has the smallest genome among known Lactobacilli and it has many probiotic characteristics, but is partly different from other major vaginal Lactobacillus species, such as L. crispatus, in contributing to the maintenance of a healthy vaginal microbiome. It is not only commonly present in the healthy vagina but quite often recovered in high numbers in bacterial vaginosis (BV). Increasing evidence suggests that L. iners is a transitional species that colonizes after the vaginal environment is disturbed and offers overall less protection against vaginal dysbiosis and, subsequently, leads to BV, sexually transmitted infections, and adverse pregnancy outcomes. Accordingly, under certain conditions, L. iners is a genuine vaginal symbiont, but it also seems to be an opportunistic pathogen. Further studies are necessary to identify the exact role of this intriguing species in vaginal health and diseases.


Fermentation ◽  
2021 ◽  
Vol 7 (4) ◽  
pp. 244
Author(s):  
Victoria Cerdeira ◽  
Natalia S. Brizuela ◽  
Sebastián M. E. Bravo ◽  
Bárbara M. Bravo-Ferrada ◽  
Danay Valdés La Hens ◽  
...  

The by-products of the food industry are an economic alternative as a source of nutrients to obtain biomass. At the same time, theiruse could solve the environmental problem related to their disposal, which is highly polluting due to their elevated biochemical oxygen demand. In this work, we seek to optimize the production of cellular biomass of two native Patagonian strains of Lactiplantibacillus plantarum (UNQLp 11 and UNQLp155), selected for its oenological and technological properties, using apple pomace (AP), a residue from the juice and cider industry. The supplementation of AP with yeast extract, salts, and Tween 80 (sAP), proved to maintain the growth of the Lpb. plantarum strains, similar to the commercial medium used to grow LAB (De Man, Rogosa, Sharpe, MRS). Cultures grown in sAP medium showed good tolerance to wine conditions (high ethanol content and low pH), demonstrated by its ability to consume L-malic acid. The subsequent inoculation of these cultures in sterile wines (Merlot and Pinot noir) was carried out at laboratory scale, evaluating cell viability and L-malic acid consumption for 21 days at 21 °C. Cultures grown in sAP media showed a similar performance to MRS media. Thus, sAP media proved to be a suitable substrate to grow oenological Lpb. plantarum strains where cultures (with high size inoculums) were able to drive malolactic fermentation, with an L-malic acid consumption higher than 90%.


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