record about its symbiotic or pathogenic microbes. In this study, we found that numerous
bacteria with 10 4–10 6 individuals per gram of fresh epidermis were distributed in the tissue
of this plant. All the bacteria isolated from the Conzattia epidermis were Gram-negative,
facultative anaerobic rods and formed yellow or colorless colonies. They were identified as
endophytes by inoculation tests. Some of the bacteria could significantly promote the growth …