Abstract
Calcium ion (Ca2+) is a multifaceted signaling molecule that acts as an important second messenger. During the course of evolution, plants and animals have developed Ca2+ signaling in order to respond against diverse stimuli, to regulate a large number of physiological and developmental pathways. Our understanding of Ca2+ signaling and its components in physiological phenomena ranging from lower to higher organisms, and from single cell to multiple tissues has grown exponentially. The generation of Ca2+ transients or signatures for various stress factor is a well-known mechanism adopted in plant and animal systems. However, the decoding of such remarkable signatures is an uphill task and is always an interesting goal for the scientific community. In the past few decades, studies on the concentration and dynamics of intracellular Ca2+ are significantly increasing and have become a trend in modern biology. The advancement in approaches from Ca2+ binding dyes to in vivo Ca2+ imaging through the use of Ca2+ biosensors to achieve spatio-temporal resolution in micro and milliseconds range, provide us phenomenal opportunities to study live cell Ca2+ imaging or dynamics. Here, we describe the usage, improvement and advancement of Ca2+ based dyes, genetically encoded probes and sensors to achieve extraordinary Ca2+ imaging in plants and animals.
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Department of Biotechnology (DBT), Govt. of India; Science and Engineering Research Board (SERB), Govt. of India; Council for Scientific and Industrial Research (CSIR), Govt. of India; Delhi University (IoE/FRP grant), India.
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GKP: Conceptualization, Supervision, Funding acquisition, Writing—review and editing. SG: Investigation, Methodology, Writing—original draft, Writing—review and editing. MD: Investigation, Methodology, Writing—review and editing. AK: Investigation, Methodology, Writing—review and editing. MB: Writing—review and editing.
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Ghosh, S., Dahiya, M., Kumar, A. et al. Calcium imaging: a technique to monitor calcium dynamics in biological systems. Physiol Mol Biol Plants 29, 1777–1811 (2023). https://doi.org/10.1007/s12298-023-01405-6
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DOI: https://doi.org/10.1007/s12298-023-01405-6