A 32-year-old male labourer from rural Maharashtra presents with a 3-month history of productive cough with blood-tinged sputum, fever in the evenings, and night sweats drenching his clothes. He has lost 8 kg over this period. On examination, he is thin, with crackles heard over the right upper lobe. Chest X-ray shows a cavitary lesion in the right apical region with surrounding consolidation. Sputum smear microscopy (Ziehl-Neelsen stain) shows acid-fast bacilli (AFB). Which of the following statements about the organism isolated from this patient is MOST accurate?