Organelles and phytohormones: a network of interactions in plant stress responses

A Bittner, A Cieśla, K Gruden, T Lukan… - Journal of …, 2022 - academic.oup.com
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 …

Biogenic signals from plastids and their role in chloroplast development

M Liebers, C Cozzi, F Uecker… - Journal of …, 2022 - academic.oup.com
Plant seeds do not contain differentiated chloroplasts. Upon germination, the seedlings thus
need to gain photoautotrophy before storage energies are depleted. This requires the …

The DELLA-ABI4-HY5 module integrates light and gibberellin signals to regulate hypocotyl elongation

H **ong, D Lu, Z Li, J Wu, X Ning, W Lin, Z Bai… - Plant …, 2023 - cell.com
Plant growth is coordinately controlled by various environmental and hormonal signals, of
which light and gibberellin (GA) signals are two critical factors with opposite effects on …

MYB-related transcription factors control chloroplast biogenesis

E Frangedakis, NE Yelina, K Billakurthi, L Hua… - Cell, 2024 - cell.com
Chloroplast biogenesis is dependent on master regulators from the GOLDEN2-LIKE (GLK)
family of transcription factors. However, glk mutants contain residual chlorophyll, indicating …

A molecular framework for grain number determination in barley

Y Huang, R Kamal, N Shanmugaraj, T Rutten… - Science …, 2023 - science.org
Flowering plants with indeterminate inflorescences often produce more floral structures than
they require. We found that floral primordia initiations in barley (Hordeum vulgare L.) are …

BPG4 regulates chloroplast development and homeostasis by suppressing GLK transcription factors and involving light and brassinosteroid signaling

R Tachibana, S Abe, M Marugami, A Yamagami… - Nature …, 2024 - nature.com
Chloroplast development adapts to the environment for performing suitable photosynthesis.
Brassinosteroids (BRs), plant steroid hormones, have crucial effects on not only plant growth …

Shade represses photosynthetic genes by disrupting the DNA binding of GOLDEN2-LIKE1

N Kim, J Jeong, J Kim, J Oh, G Choi - Plant physiology, 2023 - academic.oup.com
Abstract PHYTOCHROME-INTERACTING FACTORs (PIFs) repress photosynthetic genes
partly by upregulating REPRESSOR OF PHOTOSYNTHETIC GENES 1 (RPGE1) and …

Plasmodesmal connectivity in C4 Gynandropsis gynandra is induced by light and dependent on photosynthesis

TB Schreier, KH Müller, S Eicke, C Faulkner… - New …, 2024 - Wiley Online Library
In leaves of C4 plants, the reactions of photosynthesis become restricted between two
compartments. Typically, this allows accumulation of C4 acids in mesophyll (M) cells and …

Mutations in the chloroplast inner envelope protein TIC100 impair and repair chloroplast protein import and impact retrograde signaling

N Loudya, DPF Maffei, J Bédard, SM Ali… - The Plant …, 2022 - academic.oup.com
Chloroplast biogenesis requires synthesis of proteins in the nucleocytoplasm and the
chloroplast itself. Nucleus-encoded chloroplast proteins are imported via multiprotein …

PSEUDO-ETIOLATION IN LIGHT proteins reduce greening by binding GLK transcription factors

Y Han, F Li, Y Wu, D Wang, G Luo, X Wang… - Plant …, 2024 - academic.oup.com
Knocking out genes encoding proteins that downregulate the accumulation of pigments may
lead to increases in crop quality and yield. PSEUDO-ETIOLATION IN LIGHT 1 (PEL1) …