Abstract
A fungal endophyte, Ramichloridium cerophilum , was identified as a Class 2 endophytes species obtained from the leaf of common sowthistle ( Sonchus oleraceus L). This fungus was found to grow endophylically in the roots of Chinese cabbage seedlings. Light microscopy of cross-sections of colonized Chinese cabbage roots showed that the fungus penetrates through the outer epidermal cells, grows further into the inner cortex, and colonizes the cortical tissue. Isolates of R. cerophilum 28L-9 have shown the ability to increase biomass of a nonmycorrhizal plant, Chinese cabbage. This finding is the first report of R. cerophilum could help to improve nonmycorrhizal plant. Keywords: Ramichloridium cerophilum , endophytic fungus, Chinese cabbage, plant growth promoting
Highlights
The mycorrhizal symbiosis between plants and fungi is common and most plant species are dependent on this symbiosis for improving the productivity and sustainability, including current forest and agricultural systems (Toro and Delaux, 2016)
A fungal endophyte, Ramichloridium cerophilum, was identified as a Class 2 endophytes species obtained from the leaf of common sowthistle (Sonchus oleraceus L)
Ramichloridium cerophilum was isolated from the leaf of common sowthistle (Sonchus oleraceus L.), it is a class 2 endophytes and able to symbiosis with plant and promote
Summary
The mycorrhizal symbiosis between plants and fungi is common and most plant species are dependent on this symbiosis for improving the productivity and sustainability, including current forest and agricultural systems (Toro and Delaux, 2016). The fungal symbiont generally aids the growth of the plant partner by improving nutrient uptake (Toro and Delaux, 2016), while reducing fertilizer use and pollution in the environment, which is important with relevance to agriculture and ecology. Members of the Cruciferae including this major commercial crop, Chinese cabbage, are known as nonmycorrhizal plants and other types of fungal symbionts were rarely found in these plants (Gilliam, 2016; Nouri and Reinhardt, 2015). Unlike mycorrhizal fungi that colonize plant roots and grow into the rhizosphere, endophytes reside entirely within plant tissues and may grow within roots, stems and/or leaves
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