All isolates were positive for metachromatic granules and none of these showed capsule or endospore formation (Table 3). Endospore staining was carried out by heating the air dried bacterial smear with malachite green for 5 min, followed by rinsing with water and counterstaining with safranin for 30s.
HEMATURIA CAUSES. Some common causes of blood in the urine include the following. However, many of these conditions will have other presenting symptoms (see 'Symptoms of conditions associated with hematuria' below): âKidney or bladder (also called urinary tract) infections.
The presence blood in the urine may also not be caused by bleeding from the urinary tract. In women, menstrual blood may pass into the toilet bowl and stain the urine pink or red. Sexually transmitted diseases that cause skin lesions like ulcers and sores may also cause blood to drip into the urine.