Academic literature on the topic 'Chloroplast avoidance movement'

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Journal articles on the topic "Chloroplast avoidance movement"

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Sato, Y., M. Wada, and A. Kadota. "Choice of tracks, microtubules and/or actin filaments for chloroplast photo-movement is differentially controlled by phytochrome and a blue light receptor." Journal of Cell Science 114, no. 2 (2001): 269–79. http://dx.doi.org/10.1242/jcs.114.2.269.

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Light induced chloroplast movement has been studied as a model system for photoreception and actin microfilament (MF)-based intracellular motilities in plants. Chloroplast photo-accumulation and -avoidance movement is mediated by phytochrome as well as blue light (BL) receptor in the moss Physcomitrella patens. Here we report the discovery of an involvement of a microtubule (MT)-based system in addition to an MF-based system in photorelocation of chloroplasts in this moss. In the dark, MTs provided tracks for rapid movement of chloroplasts in a longitudinal direction and MFs contributed the tr
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Lin, Yi-Jyun, Yu-Chung Chen, Kuan-Chieh Tseng, Wen-Chi Chang, and Swee-Suak Ko. "Phototropins Mediate Chloroplast Movement in Phalaenopsis aphrodite (Moth Orchid)." Plant and Cell Physiology 60, no. 10 (2019): 2243–54. http://dx.doi.org/10.1093/pcp/pcz116.

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AbstractChloroplast movement is important for plants to avoid photodamage and to perform efficient photosynthesis. Phototropins are blue light receptors in plants that function in chloroplast movement, phototropism, stomatal opening, and they also affect plant growth and development. In this study, full-length cDNAs of two PHOTOTROPIN genes, PaPHOT1 and PaPHOT2, were cloned from a moth orchid Phalaenopsis aphrodite, and their functions in chloroplast movement were investigated. Phylogenetic analysis showed that PaPHOT1 and PaPHOT2 orthologs were highly similar to PHOT1 and PHOT2 of the close r
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Yuan, Ning, Lavanya Mendu, Kaushik Ghose, Carlie Shea Witte, Julia Frugoli, and Venugopal Mendu. "FKF1 Interacts with CHUP1 and Regulates Chloroplast Movement in Arabidopsis." Plants 12, no. 3 (2023): 542. http://dx.doi.org/10.3390/plants12030542.

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Plants have mechanisms to relocate chloroplasts based on light intensities in order to maximize photosynthesis and reduce photodamage. Under low light, chloroplasts move to the periclinal walls to increase photosynthesis (accumulation) and move to the anticlinal walls under high light to avoid photodamage, and even cell death (avoidance). Arabidopsis blue light receptors phot1 and phot2 (phototropins) have been reported to regulate chloroplast movement. This study discovered that another blue light receptor, FLAVIN-BINDING KELCH REPEAT F-BOX1 (FKF1), regulates chloroplast photorelocation by ph
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Suetsugu, Noriyuki, Atsushi Takemiya, Sam-Geun Kong, et al. "RPT2/NCH1 subfamily of NPH3-like proteins is essential for the chloroplast accumulation response in land plants." Proceedings of the National Academy of Sciences 113, no. 37 (2016): 10424–29. http://dx.doi.org/10.1073/pnas.1602151113.

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In green plants, the blue light receptor kinase phototropin mediates various photomovements and developmental responses, such as phototropism, chloroplast photorelocation movements (accumulation and avoidance), stomatal opening, and leaf flattening, which facilitate photosynthesis. In Arabidopsis, two phototropins (phot1 and phot2) redundantly mediate these responses. Two phototropin-interacting proteins, NONPHOTOTROPIC HYPOCOTYL 3 (NPH3) and ROOT PHOTOTROPISM 2 (RPT2), which belong to the NPH3/RPT2-like (NRL) family of BTB (broad complex, tramtrack, and bric à brac) domain proteins, mediate p
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Kasahara, Masahiro, Takatoshi Kagawa, Kazusato Oikawa, Noriyuki Suetsugu, Mitsue Miyao, and Masamitsu Wada. "Chloroplast avoidance movement reduces photodamage in plants." Nature 420, no. 6917 (2002): 829–32. http://dx.doi.org/10.1038/nature01213.

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Kagawa, Takatoshi, and Masamitsu Wada. "Velocity of chloroplast avoidance movement is fluence rate dependent." Photochemical & Photobiological Sciences 3, no. 6 (2004): 592. http://dx.doi.org/10.1039/b316285k.

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Majumdar, Arkajo, and Rup Kumar Kar. "Chloroplast avoidance movement: a novel paradigm of ROS signalling." Photosynthesis Research 144, no. 1 (2020): 109–21. http://dx.doi.org/10.1007/s11120-020-00736-9.

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Kitashova, Anastasia, Katja Schneider, Lisa Fürtauer, et al. "Impaired chloroplast positioning affects photosynthetic capacity and regulation of the central carbohydrate metabolism during cold acclimation." Photosynthesis Research 147, no. 1 (2020): 49–60. http://dx.doi.org/10.1007/s11120-020-00795-y.

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AbstractPhotosynthesis and carbohydrate metabolism of higher plants need to be tightly regulated to prevent tissue damage during environmental changes. The intracellular position of chloroplasts changes due to a changing light regime. Chloroplast avoidance and accumulation response under high and low light, respectively, are well known phenomena, and deficiency of chloroplast movement has been shown to result in photodamage and reduced biomass accumulation. Yet, effects of chloroplast positioning on underlying metabolic regulation are less well understood. Here, we analysed photosynthesis toge
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Ko, Swee-Suak, Chung-Min Jhong, Yi-Jyun Lin, Ching-Yu Wei, Ju-Yin Lee, and Ming-Che Shih. "Blue Light Mediates Chloroplast Avoidance and Enhances Photoprotection of Vanilla Orchid." International Journal of Molecular Sciences 21, no. 21 (2020): 8022. http://dx.doi.org/10.3390/ijms21218022.

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Vanilla orchid, which is well-known for its flavor and fragrance, is cultivated in tropical and subtropical regions. This shade-loving plant is very sensitive to high irradiance. In this study, we show that vanilla chloroplasts started to have avoidance movement when blue light (BL) was higher than 20 μmol m−2s−1 and significant avoidance movement was observed under BL irradiation at 100 μmol m−2s−1 (BL100). The light response curve indicated that when vanilla was exposed to 1000 μmol m−2s−1, the electron transport rate (ETR) and photochemical quenching of fluorescence (qP) were significantly
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Sztatelman, Olga, Andrzej Waloszek, Agnieszka Katarzyna Banaś, and Halina Gabryś. "Photoprotective function of chloroplast avoidance movement: In vivo chlorophyll fluorescence study." Journal of Plant Physiology 167, no. 9 (2010): 709–16. http://dx.doi.org/10.1016/j.jplph.2009.12.015.

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Dissertations / Theses on the topic "Chloroplast avoidance movement"

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CAZZANIGA, Stefano. "Photoprotection in oxygenic photosynthesis: A reverse genetic study." Doctoral thesis, 2015. http://hdl.handle.net/11562/916582.

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La luce è essenziale per la fotosintesi e la vita sulla terra e tuttavia può diventare dannosa per le piante. Quando i fotoni vengono assorbiti in eccesso, rispetto alla capacità del trasporto elettronico fotosintetico, si producono specie reattive dell'ossigeno che provocano fotoinibizione, limitando la crescita delle piante e la loro produttività. Gli organismi fotosintetici hanno sviluppato meccanismi di fotoprotezione per prevenire/evitare i danni foto-ossidativi. Tra questi, il Non-Photochemical Quencing o NPQ è di particolare interesse. Il meccanismo di NPQ smorza gli stai eccitati della
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Conference papers on the topic "Chloroplast avoidance movement"

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Wen, Feng, Da Xing, and Lingrui Zhang. "Hydrogen peroxide generated by NADPH oxidase is involved in high blue-light-induced chloroplast avoidance movements in Arabidopsis." In Photonics and Optoelectronics Meetings 2009, edited by Qingming Luo, Lihong V. Wang, Valery V. Tuchin, Pengcheng Li, and Ling Fu. SPIE, 2009. http://dx.doi.org/10.1117/12.841575.

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