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논문 기본 정보

자료유형
학술저널
저자정보
Hye Rim Yeo (Yonsei University College of Medicine) Mee Young Shin (Yonsei University College of Medicine) Juri Kim (Yonsei University College of Medicine) Soon-Jung Park (Yonsei University College of Medicine)
저널정보
대한기생충학열대의학회 Parasites, Hosts and Diseases Parasites, Hosts and Diseases Vol.63 No.1
발행연도
2025.2
수록면
12 - 24 (13page)

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Intraflagellar transport (IFT) particles, a multi-protein apparatus composed of complex A and B, are known to be involved in homeostasis of flagella formation. IFT particles have recently become an interesting topic in Giardia lamblia, which has 4 pairs of flagella. In this experiment, we examined the function of giardial IFT components. When 7 components (IFT121, 140, 20, 46, 52, 81, and 88) of IFT were expressed in Giardia trophozoites as a tagged form with mNeonGreen, all of them were found in both flagella pores and cytoplasmic axonemes. In addition, motor proteins for IFT particles (kinesin-13 and ki- nesin-2b), were localized to a median body and cytoplasmic flagella, respectively. The CRISPRi-mediated knockdown of IFT88 significantly affected the lengths of all 4 flagella compared to the control cells, Giardia expressing dead Cas9 using control guide RNA. Decreased expression of kinesin-2b also resulted in shortening of flagella, excluding the ventral flagella. Live Giardia cells expressing IFT88-mNeonGreen clearly demonstrated fluorescence in flagella pores and cytoplasmic axonemes. These results on IFT88 and kinesin-2b indicate that IFT complex plays a role in maintenance of G. lamblia flagella.

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Abstract
Introduction
Materials and Methods
Results
Discussion
References

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