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.
Causes of Blood Clot in Urine. 1  Problems in urinal tract and kidney diseases are the most common causes of blood clot in urine. 2  Stones in kidneys or the urinary bladder and the infections can cause hematuria. 3  Another common disease that causes hematuria is known as the Benign familial hematuria or the basement membrane disease.