Photosynthesis – beyond the leaf

Lawson, Tracy; Milliken, Alexandra L

doi:10.1111/nph.18671

Cited by 10 publications

(3 citation statements)

References 42 publications

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“…When we think about improving photosynthesis, we tend to focus on foliar photosynthesis; however, green non-foliar tissues can also perform photosynthesis in higher plants (Lawson & Milliken, 2023).…”

Section: Beyond Leaf Photosynthesismentioning

confidence: 99%

“…When we think about improving photosynthesis, we tend to focus on foliar photosynthesis; however, green non‐foliar tissues can also perform photosynthesis in higher plants (Lawson & Milliken, 2023). Recent work is uncovering the role of GLKs in the greening of seed‐related organs, such as pods in Brassicaceae, hulls in barley, spikelets in rice, ears and awns of wheat and fruits in Solanaceae (Table 1) (Brand et al, 2014; Chen et al, 2018; Lupi et al, 2019; Nguyen et al, 2014; Pan et al, 2017; Powell et al, 2012; Taketa et al, 2021; Zheng et al, 2022).…”

Section: Beyond Leaf Photosynthesismentioning

confidence: 99%

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GOLDEN2‐LIKE transcription factors: A golden ticket to improve crops?

Hernández‐Verdeja

Lundgren

2023

Plants People Planet

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Societal Impact StatementThe human population is expected to reach 9.7 billion in the next 30 years, increasing the strain on our already precarious food system. Climate change is shifting weather patterns, leading to unpredictable and catastrophic events that further threaten the agronomic sector. Plant scientists are implementing biotechnological tools to sustainably increase both the production and nutritional content of our crops. Engineering GOLDEN2‐LIKE (GLK) transcription factors is a promising route to improve photosynthesis, as well as other important agronomical traits, to achieve food security for a growing population under an unpredictable climate.SummaryUsing agricultural biotechnology to increase the photosynthetic efficiency of crops has been a focus of plant science research over the last two decades. Transcription factors coordinate the expression of gene networks that are the basis of plant development and physiological responses and, as such, are good targets to help improve photosynthesis. Among the known plant transcriptional regulators, GOLDEN2‐LIKE transcription factors (GLKs) may be ideal candidates to improve photosynthesis in crops, as they are master regulators of genes associated with photosynthesis and chloroplast biogenesis across a broad diversity of plant lineages. Moreover, recent work has revealed their involvement in environmental response, pathogen defence and development regulation across the plant's whole life cycle. Thus, manipulating GLK expression and activity, alone or likely in combination with other modifications, has clear potential to improve plant development and growth. Here, we review the research into GLK function and discuss the potential of these key transcription factors as biotechnological tools to enhance photosynthetic efficiency and stress tolerance in crops. Additionally, we take advantage of the vast plant genome and transcriptome datasets available to explore the evolutionary history of GLKs across the plant kingdom and discuss the implications for their adoption into crop engineering projects.

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Section: Beyond Leaf Photosynthesismentioning

confidence: 99%

Section: Beyond Leaf Photosynthesismentioning

confidence: 99%

GOLDEN2‐LIKE transcription factors: A golden ticket to improve crops?

Hernández‐Verdeja

Lundgren

2023

Plants People Planet

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“…Photosynthesis converts solar energy into chemical energy and splits water molecules into oxygen, thereby supporting aerobic life [ 22 ]. The most important plant organs responsible for photosynthesis are the leaves, which have over 100 chloroplasts in each mesophyll cell [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

Integrative Analysis of Transcriptome, Proteome, and Phosphoproteome Reveals Potential Roles of Photosynthesis Antenna Proteins in Response to Brassinosteroids Signaling in Maize

Gao

et al. 2023

Plants

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Brassinosteroids are a recently discovered group of substances that promote plant growth and productivity. Photosynthesis, which is vital for plant growth and high productivity, is strongly influenced by brassinosteroid signaling. However, the molecular mechanism underlying the photosynthetic response to brassinosteroid signaling in maize remains obscure. Here, we performed integrated transcriptome, proteome, and phosphoproteomic analyses to identify the key photosynthesis pathway that responds to brassinosteroid signaling. Transcriptome analysis suggested that photosynthesis antenna proteins and carotenoid biosynthesis, plant hormone signal transduction, and MAPK signaling in CK VS EBR and CK VS Brz were significantly enriched in the list of differentially expressed genes upon brassinosteroids treatment. Consistently, proteome and phosphoproteomic analyses indicated that photosynthesis antenna and photosynthesis proteins were significantly enriched in the list of differentially expressed proteins. Thus, transcriptome, proteome, and phosphoproteome analyses showed that major genes and proteins related to photosynthesis antenna proteins were upregulated by brassinosteroids treatment in a dose-dependent manner. Meanwhile, 42 and 186 transcription factor (TF) responses to brassinosteroid signals in maize leaves were identified in the CK VS EBR and CK VS Brz groups, respectively. Our study provides valuable information for a better understanding of the molecular mechanism underlying the photosynthetic response to brassinosteroid signaling in maize.

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