Aurore Vermassen

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Staphylococcus xylosus is commonly used as starter culture for meat fermentation. Its technological properties are mainly characterized in vitro, but the molecular mechanisms for its adaptation to meat remain unknown. A global transcriptomic approach was used to determine these mechanisms. S. xylosus modulated the expression of about 40-50% of the total(More)
Staphylococcus xylosus is frequently isolated from food of animal origin. Moreover, this species is one of the major starter cultures used for meat fermentation. Iron is a key element for growth and survival of bacteria. Meat is particularly rich in haemic (myoglobin and haemoglobin) and non-haemic (ferritin and transferrin) iron sources. Ferritin is a(More)
Staphylococcus xylosus is one of the major starter cultures used for meat fermentation because of its crucial role in the reduction of nitrate to nitrite which contributes to color and flavor development. Despite longstanding use of these additives, their impact on the physiology of S. xylosus has not yet been explored. We present the first in situ global(More)
Staphylococcus xylosus belongs to the vast group of coagulase-negative staphylococci. It is frequently isolated from meat products, either fermented or salted and dried, and is commonly used as starter cultures in sausage manufacturing. Analysis of the S. xylosus genome together with expression in situ in a meat model revealed that this bacterium is well(More)
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