CP and viral infectious disease: Chloroplasts, being pivotal organelles in plant defense, are frequently targeted by viral proteins through diverse strategies.[26] For example, cucumber necrosis virus‐encoded CP and alternanthera mosaic virus‐encoded TGB3 can transport into chloroplasts via their unique chloroplast transit peptides, thereby facilitating viral infection.[51, 52] Moreover, viral proteins have demonstrated to co‐opt host chloroplast‐targeting proteins to reach chloroplasts.