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Red light means on for phosphorus
摘要： Light is a critical environmental factor that influences nutrient uptake in roots and the subsequent use of nutrients, which is necessary to sustain plant growth. The positive effect of red light on phosphorus uptake has now been defined, along with the pivotal role of the phytochrome-B signalling cascades that mediate this effect.
关键词： nutrient uptake,phosphorus,red light,plant growth,phytochrome-B
更新于2025-09-10 09:29:36
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Bringing Light to Transcription: The Optogenetics Repertoire
摘要： The ability to manipulate expression of exogenous genes in particular regions of living organisms has profoundly transformed the way we study biomolecular processes involved in both normal development and disease. Unfortunately, most of the classical inducible systems lack fine spatial and temporal accuracy, thereby limiting the study of molecular events that strongly depend on time, duration of activation, or cellular localization. By exploiting genetically engineered photo sensing proteins that respond to specific wavelengths, we can now provide acute control of numerous molecular activities with unprecedented precision. In this review, we present a comprehensive breakdown of all of the current optogenetic systems adapted to regulate gene expression in both unicellular and multicellular organisms. We focus on the advantages and disadvantages of these different tools and discuss current and future challenges in the successful translation to more complex organisms.
关键词： transcription,optogenetics,cryptochrome,phytochrome B,LOV,gene expression,UVR8,light
更新于2025-09-09 09:28:46