HSPB6 and infection: In plants, hsp20 confers heat and salt tolerance in rice (Guo et al., 2020), results in hypersensitivity to ABA in Arabidopsis (Yao et al., 2020; He et al., 2021), and responds to pathogen infection in tomatoes (Yu et al., 2016) and barley (Li and Liu, 2019).