Où se trouve Serratia marcescens?
On le trouve couramment dans les voies respiratoires et urinaires d’adultes hospitalisés et dans le système gastro-intestinal des enfants. En raison de sa présence abondante dans l’environnement et de sa préférence pour la vapeur, S.
Quel traitement pour Serratia marcescens?
Traitement. Le traitement fait appel aux céphalosporines de 3e génération, au céfépime, aux carbapénèmes, aux fluoroquinolones, à la pipéracilline/tazobactam ou aux aminosides. Cependant, certains isolats étant résistants à de nombreux antibiotiques, l’antibiogramme est indispensable.
What diseases are associated with Serratia marcescens?
S. marcescens is implicated in a wide range of serious infections including pneumonia ( 51 ), lower respiratory tract infection ( 112 ), urinary tract infection ( 53 ), bloodstream infection, wound infection and meningitis ( 72 , 74 ).
Is Serratia marcescens DNase positive or negative?
Serratia marcescens is negative for acid production on lactose, but positive glucose and sucrose (with gas production) fermentation. Nitrate tests are positive since nitrate is generally used as the final electron acceptor rather than oxygen [4].
Does Serratia test negative for citrate?
Serratia marcescens is negative for acid production on lactose, but positive glucose and sucrose (with gas production) fermentation. Nitrate tests are positive since nitrate is generally used as the final electron acceptor rather than oxygen. Citrate (positive test) is used by Serratia marcescens to produce pyruvic acid.
What is the best treatment for Serratia marcescens bacteria?
According to eMedicine, the preferred treatment for Serratia marcescens is an aminoglycoside such as amikacin, along with an antipseudomonal beta-lactam such as cefpirome. An avid lover of science and health, Meg Michelle began writing professionally about science and fitness in 2007.