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.
This article focuses on the causes of gross hematuria, or visible blood in the urine. 1  slide 1 of 10. Hematuria is the medical term for blood in the urine. 2  slide 2 of 10. Urinary Tract Infections A urinary tract infection can cause gross hematuria. 3  slide 3 of 10. Kidney Infections A kidney infection can cause gross hematuria.  slide 4 of 10.