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Gene expression in the development of C3 and C4 Atriplex and C3 Atriplex prostrata x C4 Atriplex rosea F1 hybrids

ABSTRACT: Gene expression in the development of C3 and C4 Atriplex and C3 Atriplex prostrata x C4 Atriplex rosea F1 hybrids

PROVIDER: PRJNA354304 | ENA |

REPOSITORIES: ENA

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Gene expression in the development of C3 and C4 Atriplex and C3 Atriplex prostrata x C4 Atriplex rosea F1 hybrids

Project description:Elucidating the genetic control of development of C3 and C4 photosynthesis. Atriplex rosea (C4) and Atriplex prostrata (C3) were studied along a leaf developmental gradient to compare development between C3 and C4. C3 Atriplex prostrata x C4 Atriplex rosea F1 hybrid were studied along the same developmental gradient and will aid in identifying regulatory elements involved in C3 and C4 leaf development.

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Gene expression in C3 and C4 Atriplex leaves, roots, and stem, and C3xC4 F1 and F3 hybrid

Project description:Gene expression in C3 and C4 Atriplex leaves, roots, and stem, and C3xC4 F1 and F3 hybrid

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Guard and Mesophyll cells transcriptomes in mature leaves of Gynandropsis gynandra (C4) and Tareneya hassleriana (C3).

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C3 C4 grasses

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The evolution of TF-regulatory network of core C4 metabolic pathway genes in the genus of Flaveria [ABA]

Project description:C4 photosynthesis was evolved from ancestral C3 photosynthesis by recruited pre-existed genes to perform new functions. Enzymes and transporters required for C4 metabolic pathway has been well documented, however, transcriptional factors (TFs) that regulate those C4 metabolic genes is poorly understood, in particular, how the TF regulatory network of C4 metabolic genes was re-wired, and the involved metabolic functions of those TFs along the evolution of C4 photosynthesis remained unknown. Here, by using RNA-Seq data from growth condition that reported to have effect on C4 photosynthesis, we constructed the TF regulatory network for four evolutionarily closely related species in the genus Flaveria, which represent different stages of the evolution of C4 photosynthesis, namely, C3, type I C3-C4, type II C3-C4 and C4. Our results show that four TFs are conserved along the evolution whose function either relate to stress response or light response. TFs regulating C4 core genes in C3 species involved in functions belong to RNA regulation and nitrogen metabolism, and that in both intermediate species and C4 species involved in photosynthesis and light responsiveness. Moreover, the TF-network of C4 core metabolic genes has the highest network density in type I C3-C4 species and C4 species when consider the fragment of TF-regulatory network that up-regulated under low CO2, suggesting that TFs regulating C4 genes were recruited to photosynthesis at type I C3-C4 both in involved functions and network density. Our results provide a valuable resource for studying molecular regulatory mechanisms underlying C4 metabolic process.

2020-07-28 | GSE137938 | GEO

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