Grilling watermelon adds a smoky note to the fruit and gives it a slightly meaty texture that matches well with shrimp. Cooking takes only a couple of minutes, so have both sets of skewers ready before you start. You'll need 12 flat metal skewers (12 in. long) or 18 skewers (8 in. long)--or use bamboo skewers of the same size, soaked in water for 30 minutes.
Causes. Lymphogranuloma venereum (LGV) is a chronic (long-term) infection of the lymphatic system. It is caused by any of three different types (serovars) of the bacterium Chlamydia trachomatis. The bacteria spread by sexual contact.
Description and Significance. Spirillum bacteria are thought to have been first described by van Leeuwenhoek in the 1670s and later by Muller. S. volutans is a large bacterium as well as an obligate microaerophile with a helical structure.ell Structure and Metabolism. Spirillum bacteria are large chemotrophic spirilla 1.4 to 1.7 micrometers in diameter and up to 60 micrometers in length, with anywhere from less than one to five helical turns.