An effective transient expression system for gene function identification in Lotus japonicus

Yin, Xiaodan; Luo, Xue; Yang, Fang; Wang, Yifan; Song, Li

doi:10.1007/s11240-024-02688-7

Cited by 1 publication

(1 citation statement)

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“…A transient expression by agroinfiltration has been demonstrated in some legume species, including the common bean ( Phaseolus vulgaris ) [ 9 , 10 ], Medicago truncatula [ 11 ], cowpea ( Vigna unguiculata ) [ 12 ], lotus ( Lotus japonicus ) [ 10 , 13 ], pea ( Pisum sativum ) [ 14 , 15 ], and Caragana intermedia [ 16 ]. Transient protein expression has been reported in soybean pods [ 10 ], protoplasts [ 17 ], and roots [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

Comparative Evaluation of Transient Protein Expression Efficiency in Tissues across Soybean Varieties Using the Tsukuba System

Fuhrmann-Aoyagi,

Igarashi,

Miura

2024

Plants

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Transient protein expression is a versatile tool with diverse applications and can be used in soybeans to study gene function, obtain mutants, and produce proteins for commercial use. However, soybeans are considered recalcitrant for agroinfiltration. Subsequent studies on soybeans have demonstrated a green fluorescent protein (GFP) expression in seedpods, but not in leaves, using syringe agroinfiltration. To evaluate agroinfiltration-based transient protein expression levels in plant cells, we used the transient expression vector pTKB3 harboring the GFP gene. Using Agrobacterium tumefaciens, vacuum agroinfiltration of the leaves and needle agroinfiltration of the seedlings of different soybean varieties were performed. GFP was transiently expressed in all of the samples. However, the Enrei and Williams 82 varieties presented better results than the other varieties in the leaf tissue, with results confirmed by immunoblot analysis, demonstrating that both varieties are good candidates for molecular biological studies. GFP expression in the seedlings was less extensive than that in the leaves, which may be due to the tissue characteristics, with Enrei showing the best results. Based on this observation, we conclude that the Tsukuba system is an effective tool that can be used for different tissues and soybean varieties.

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