Initially, they are small, with about a 1.0-mm diameter and with a grey-yellow colour. After 3–4 days, the isolated bacterial colonies can reach a 3-mm diameter, and they have a rough surface and yellow-golden pigmentation.
Initially, they are small with a diameter around 1.0-mm and grey-yellow appearance. After several days, isolated bacterial colonies can grow up to 3 mm in diameter, presenting a rough surface and golden-yellow coloration.