Their topics include signal transduction of Streptococci
by cyclic dinucleotide second messengers, the VicRK two-component system regulation of virulence in Streptococcus mutans, intra-generic and intra-generic interactions of oral Streptococci
and their pivotal role in the pathogenesis of oral diseases, the emergence of the hyper-virulent M1T1 clone of group A Streptococcus via genetic recombination and host selection, the adhesion and invasion mechanisms of Streptococci
, and developments in the antimicrobial discovery against the major cariogenic pathogen Streptococcus mutans.
BEIRUT: Multiple coastal sites around Beirut have 50 times or more the level of the bacteria streptococci
that is considered safe by the World Health Organization, indicating that the waters may be dangerous to swim in, according to a study published Tuesday.
Although Penicillin remains the drug of choice for Group A and Group B Streptococci
, resistance to macrolides, lincosamides and fluoroquinolones has emerged.
nov., nutritionally variant streptococci
from human clinical specimens.
 found group C Streptococci
in the cerebrospinal fluid of a newborn infant whose mother had chorioamnionitis during the delivery.
mitis, a member of the viridans group streptococci
, is a very rare cause of sacroiliitis.
(1.) Kimura, K., Nagano, N., Nagano, Y., Suzuki S.High frequency of fluoroquinolone- and macrolide-resistant streptococci
among clinically isolated group B streptococci
with reduced penicillin susceptibility.
Infections caused by streptococci
can be invasive or noninvasive, and they cannot be distinguished merely on the basis of their clinical presentation .
In the case of Gram positive, catalase negative beta-haemolytic cocci we analysed the presence of group antigens using Slidex Strepto Plus kit, and a sensitivity test to optochin was performed to clearly differentiate pneumococci from other streptococci
. Species of microorganisms were identified using conventional methods, with the use of commercial test kits (STAPHYtest 24, STREPTOtest 24, ENTEROtest 24N, and NEFERMtest 24N), from among the MIKROLATEST identification kits manufactured by Erba-Lachema.
(12,13) In 1999, Vieira et al classified all p-hemolytic, large-colony forming Group G streptococci
found in human infections as Streptococcus dysgalactiae subspecies equisimilis (SDSE) (9,12,14,15,16) and Streptococcus dysgalactiae subspecies dysgalactiae (SDSD) for animal isolates of Group C.
and aerococci associated with systemic infection in man," Journal of Medical Microbiology, vol.
Numerous studies have shown that Gram-negative bacilli ID scores are superior to Gram-positive cocci ID scores, particularly problematic streptococci
Anacardics would be much more effective in killing decay bacteria than fluoride and without the dangerous side effects.(2) This would be especially valuable since these medicines would probably prove to be valuable against other gram positive diseases such as acne, leprosy, Streptococci
, Staphylococcus aureus, anthrax, Listeria monocytogenes, Actinomyces naeslundii, Corynebacterium diphtheriae, Streptococcus agalactiae, Propionibacterium spp., and maybe even tuberculosis as well.
Group A streptococci
are Gram-positive bacteria, primarily residing in the nose, throat and skin; they are responsible for several illnesses, ranging from mild illnesses (strep throat or skin infections) to severe illnesses (necrotizing fasciitis, or streptococcal toxic shock syndrome).