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1.
Organelles and phytohormones : a network of interactions in plant stress responses
Andras Bittner, Agata Cieśla, Kristina Gruden, Tjaša Lukan, Sakil Mahmud, Markus Teige, Ute Vothknecht, Bernhard Wurzinger, 2022, pregledni znanstveni članek

Povzetek: Phytohormones are major signaling components that contribute to nearly all aspects of plant life. They constitute an interconnected communication network to fine-tune growth and development in response to the ever-changing environment. To this end, they have to coordinate with other signaling components, such as reactive oxygen species and calcium signals. On the one hand, the two endosymbiotic organelles, plastids and mitochondria, control various aspects of phytohormone signaling and harbor important steps of hormone precursor biosynthesis. On the other hand, phytohormones have feedback actions on organellar functions. In addition, organelles and phytohormones often act in parallel in a coordinated matter to regulate cellular functions. Therefore, linking organelle functions with increasing knowledge of phytohormone biosynthesis, perception, and signaling will reveal new aspects of plant stress tolerance. In this review, we highlight recent work on organelle–phytohormone interactions focusing on the major stress-related hormones abscisic acid, jasmonates, salicylic acid, and ethylene.
Ključne besede: abscisic acid (ABA), chloroplast, ethylene, mitochondria, jasmonates, plant organelles, phytohormones, salicylic acid (SA), plastids, stress signaling, retrograde signaling
Objavljeno v DiRROS: 05.08.2024; Ogledov: 44; Prenosov: 72
.pdf Celotno besedilo (2,77 MB)
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2.
Stress knowledge map : a knowledge graph resource for systems biology analysis of plant stress responses
Carissa Bleker, Živa Ramšak, Andras Bittner, Vid Podpečan, Maja Zagorščak, Bernhard Wurzinger, Špela Baebler, Marko Petek, Maja Križnik, Anže Županič, Kristina Gruden, 2024, izvirni znanstveni članek

Povzetek: Stress Knowledge Map (SKM; https://skm.nib.si) is a publicly available resource containing two complementary knowledge graphs that describe the current knowledge of biochemical, signaling, and regulatory molecular interactions in plants: a highly curated model of plant stress signaling (PSS; 543 reactions) and a large comprehensive knowledge network (488 390 interactions). Both were constructed by domain experts through systematic curation of diverse literature and database resources. SKM provides a single entry point for investigations of plant stress response and related growth trade-offs, as well as interactive explorations of current knowledge. PSS is also formulated as a qualitative and quantitative model for systems biology and thus represents a starting point for a plant digital twin. Here, we describe the features of SKM and show, through two case studies, how it can be used for complex analyses, including systematic hypothesis generation and design of validation experiments, or to gain new insights into experimental observations in plant biology.
Ključne besede: Stress knowledge map, knowledge graph, knowledge network, entry point, plant digital twin, plant stress responses, plant signaling, systems biology
Objavljeno v DiRROS: 11.06.2024; Ogledov: 225; Prenosov: 106
.pdf Celotno besedilo (1,35 MB)
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