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| Delbarre-ladrat, Christine; Salas, Marcia Leyva; Sinquin, Corinne; Zykwinska, Agata; Colliec-jouault, Sylvia. |
| Many bacteria biosynthesize structurally diverse exopolysaccharides (EPS) and excrete them into their surrounding environment. The EPS functional features have found many applications in industries such as cosmetics and pharmaceutics. In particular, some EPS produced by marine bacteria are composed of uronic acids, neutral sugars, and N-acetylhexosamines, and may also bear some functional sulfate groups. This suggests that they can share common structural features with glycosaminoglycans (GAG) like the two EPS (HE800 and GY785) originating from the deep sea. In an attempt to discover new EPS that may be promising candidates as GAG-mimetics, fifty-one marine bacterial strains originating from deep-sea hydrothermal vents were screened. The analysis of the... |
| Tipo: Text |
Palavras-chave: Exopolysaccharides; GAG; Marine bacteria; Glycopolymers; Sulfate; Production. |
| Ano: 2017 |
URL: https://archimer.ifremer.fr/doc/00399/51090/51873.pdf |
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| Ibañez,Thiago Bergamini; Santos,Luiz Felipe de Melo; Lapaz,Allan de Marcos; Ribeiro,Igor Virgilio; Ribeiro,Filipe Virgilio; Reis,André Rodrigues dos; Moreira,Adônis; Heinrichs,Reges. |
| ABSTRACT This study evaluated the nutritional quality, yield, and storage protein modulation in soybean grains in response to levels and sources of sulfur (S) in a dystrophic Ultisol. We used five levels of S (0, 50, 100, 150 and 200 mg kg –1 ) and four sources of S (elemental S pastille - ESPA, gypsum - GY, gypsite - GI and elemental S powder - ESPO). Plants treated with 50 mg kg –1 of GY, GI, and ESPO and 200 mg kg –1 of ESPA had the largest grain yield values. Low S supply resulted in lower yields for all S sources tested. Sulfur deficiencies were observed at all levels for ESPA, resulting in lower concentrations of globulin and higher concentration of glutelin and albumin in the grains, possibly because the S content in the leaf was below the range... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max; Plant nutrition; Elemental sulfur; Sulfate. |
| Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162021000101402 |
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