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Zang Y, Pei Y, Cong X, Ran F, Liu L, Wang C, Wang D, Min Y. Single-cell RNA-sequencing profiles reveal the developmental landscape of the Manihot esculenta Crantz leaves. PLANT PHYSIOLOGY 2023; 194:456-474. [PMID: 37706525 PMCID: PMC10756766 DOI: 10.1093/plphys/kiad500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 06/26/2023] [Accepted: 07/05/2023] [Indexed: 09/15/2023]
Abstract
Cassava (Manihot esculenta Crantz) is an important crop with a high photosynthetic rate and high yield. It is classified as a C3-C4 plant based on its photosynthetic and structural characteristics. To investigate the structural and photosynthetic characteristics of cassava leaves at the cellular level, we created a single-cell transcriptome atlas of cassava leaves. A total of 11,177 high-quality leaf cells were divided into 15 cell clusters. Based on leaf cell marker genes, we identified 3 major tissues of cassava leaves, which were mesophyll, epidermis, and vascular tissue, and analyzed their distinctive properties and metabolic activity. To supplement the genes for identifying the types of leaf cells, we screened 120 candidate marker genes. We constructed a leaf cell development trajectory map and discovered 6 genes related to cell differentiation fate. The structural and photosynthetic properties of cassava leaves analyzed at the single cellular level provide a theoretical foundation for further enhancing cassava yield and nutrition.
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Affiliation(s)
- Yuwei Zang
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Yechun Pei
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Xinli Cong
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Fangfang Ran
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Liangwang Liu
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Changyi Wang
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Dayong Wang
- Laboratory of Biopharmaceuticals and Molecular Pharmacology, School of Pharmaceutical Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Yi Min
- Department of Biotechnology, School of Life Sciences, Hainan University, Haikou, Hainan 570228, China
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Konkolewska A, Piechalak A, Ciszewska L, Antos-Krzemińska N, Skrzypczak T, Hanć A, Sitko K, Małkowski E, Barałkiewicz D, Małecka A. Combined use of companion planting and PGPR for the assisted phytoextraction of trace metals (Zn, Pb, Cd). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:13809-13825. [PMID: 32034599 PMCID: PMC7162837 DOI: 10.1007/s11356-020-07885-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 01/27/2020] [Indexed: 05/20/2023]
Abstract
Biomass production and metal accumulation in plant tissue (bioconcentration) are two critical factors limiting the phytoextraction rate. Metal translocation to aboveground organs should be accounted for as the third most important factor, as harvesting of the plant roots is usually economically disadvantageous. These three parameters could be potentially increased with the use of companion planting, a well-known agricultural technique, and inoculation with plant growth-promoting bacteria (PGPB). The aim of the study was to determine whether intercropping and inoculation with endophytic PGPB (Burkholderia phytofirmans PsJNT) can increase the efficiency of phytoextraction of Zn, Pb, and Cd. The study was conducted on Brassica juncea (L.) Czern. "Małopolska" grown in a monoculture or co-planted with Zea mays L. "Codimon" and Medicago sativa L. "Sanditi." Results show that companion planting and inoculation with rhizobacteria can increase the efficiency of metal phytoextraction, mainly by increasing the yield of dry biomass and the survival rate of plants grown on contaminated soil. We have shown that the simultaneous planting of B. juncea with M. sativa and inoculation with PGPB were the most efficient variants of assisted phytoextraction reaching a recovery of 95% Zn, 90% Cd, and on average about 160% Pb compared with control B. juncea plants grown in monoculture.
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Affiliation(s)
- Agnieszka Konkolewska
- Department of Biochemistry, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland.
| | - Aneta Piechalak
- Laboratory of Genome Biology, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland
| | - Liliana Ciszewska
- Laboratory of RNA Biochemistry, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland
| | - Nina Antos-Krzemińska
- Department of Bioenergetics, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland
| | - Tomasz Skrzypczak
- Institute of Biology and Human Evolutionary, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland
| | - Anetta Hanć
- Department of Trace Analysis, Faculty Chemistry, Adam Mickiewicz University in Poznań, Uniwersytet Poznanski 8 Street, 61-614, Poznan, Poland
| | - Krzysztof Sitko
- Faculty of Natural Sciences, University of Silesia in Katowice, 40-032, Katowice, Poland
| | - Eugeniusz Małkowski
- Faculty of Natural Sciences, University of Silesia in Katowice, 40-032, Katowice, Poland
| | - Danuta Barałkiewicz
- Department of Trace Analysis, Faculty Chemistry, Adam Mickiewicz University in Poznań, Uniwersytet Poznanski 8 Street, 61-614, Poznan, Poland
| | - Arleta Małecka
- Laboratory of Biotechnology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University in Poznan, Uniwersytet Poznanski 6 Street, 61-614, Poznan, Poland.
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Physiological and Proteomic Analyses Reveal Adaptive Mechanisms of Ryegrass (Annual vs. Perennial) Seedlings to Salt Stress. AGRONOMY-BASEL 2019. [DOI: 10.3390/agronomy9120843] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ryegrass has a relatively high salt tolerance and is considered to be a promising species for both foraging and turf purposes in salt-affected soils in China. While annual ryegrass and perennial ryegrass are two different species, they have similar genomes. However, little is known about their physiological and molecular response mechanisms to salinity stress. Here, biomass, chlorophyll fluorescence, and inorganic ion and organic solute content were measured. 2-DE-based proteomic technology was then used to identify the differentially expressed proteins in the salt-treated seedlings. The results showed that salt stress reduced growth and photosynthesis in the seedlings of both species, but much more so in annual ryegrass. With increasing salinity, the Na+ concentration increased while the K+ concentration decreased in both species, and the sugars and proline increased as the primary organic solutes used to cope with osmotic stress. Additionally, proteomic analysis revealed 33 and 37 differentially expressed proteins in annual and perennial ryegrass, respectively. Most of the identified proteins were involved in carbohydrate and energy metabolism, photosynthesis, genetic information processes, amino acid metabolism, stress defense, and protein synthesis and folding. The results suggest that the two-ryegrass species had different physiological and proteomic responses. These findings can provide new insights into physiological mechanisms by which ryegrass species respond to salt stress.
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