Characters in Romeo and Juliet he is given a direct connection to his brother. Although he has a very small role in Shakespeare's play, earlier versions of the story gave him no role or mention at all. In fact, they gave even Mercutio a very minor role. Shakespeare was the first English dramatist to use the name "Valentine" on stage, in his earlier plays, "Titus Andronicus" and "The Two Gentlemen of Verona". In "Titus", Valentine plays a minor role, but in "Two Gentlemen", he is one of the title characters. Incidentally, the Valentine of "Two Gentlemen" borrows heavily from Arthur Brooke's Romeus in "The Tragical
Proteus (bacterium) designated as O forms (German "ohne Hauch", without film [i.e., without surface film of mist droplets]). The cell wall O-antigen of certain strains of Proteus, such as OX-2, OX-19, OX-k, crossreact with several species of Rickettsiae. These Proteus antigens can be used in laboratory to detect the presence of antibodies against certain Rickettsiae members in patient's serum. This test is called Weil-Felix reaction after its originators. Proteus (bacterium) Proteus is a genus of Gram-negative Proteobacteria. "Proteus" bacilli are widely distributed in nature as saprophytes, being found in decomposing animal matter, sewage, manure soil, the mammalian intestine, and human and animal