TITLE:
Effect of Arbuscular Mycorrhizal Fungi and Their Partner Bacteria on the Growth of Sesame Plants and the Concentration of Sesamin in the Seeds
AUTHORS:
Sachie Horii, Takaaki Ishii
KEYWORDS:
Arbuscular Mycorrhizal Fungi, Partner Bacteria, Sesamin, Sesamolin
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.5 No.20,
September
29,
2014
ABSTRACT: Arbuscular mycorrhizal fungi (AMF) can stimulate the plant growth. Pseudomonas sp. (KCIGC01) NBRC109613
isolated from the spores of Glomus clarum IK97, an AMF, is reported to support the plant growth and development as
partner bacteria (PB) for AMF REF _Ref399417929 \r \h \* MERGEFORMAT [1]. In order to investigate the effect of G. clarum IK97 and Pseudomonas sp. (KCIGC01) NBRC109613 on the secondary metabolites, these microorganisms
were inoculated to sesame plants. The inoculation of these microorganisms
stimulated the growth of sesame. The rate of sesame root colonization in G. clarum IK97 + Pseudomonas sp. (KCIGC01) NBRC109613 inoculated plants (66.4% ± 4.4%)
was higher than that in G. clarum IK97
alone inoculated plants (39.2% ± 5.8%). Furthermore, the content of sesamin in
sesame seeds was increased by the inoculation of these microorganisms. In
particular, the content of sesamin in the treatment inoculated with G. clarum IK97 and Pseudomonas sp. (KCIGC01) NBRC-109613 was 11.4 ± 1.5 mg/g seed.
The results suggest that AMF and their partner bacteria can stimulate the
growth and development of sesame plants and increase the content of sesamin in
the seeds.