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Ajayi AM, Ola CB, Ezeagu MB, Adeleke PA, John KA, Ologe MO, Ben-Azu B, Umukoro S. Chemical characterization, anti-nociceptive and anti-inflammatory activities of Plukenetia conophora seed oil in experimental rodent models. JOURNAL OF ETHNOPHARMACOLOGY 2023; 305:116017. [PMID: 36529252 DOI: 10.1016/j.jep.2022.116017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The seed of the African walnut, Plukenetia conophora Mull.-Arg is well-known for its nutritional and medicinal values. The seed oil is widely used in massages to relieve pain, as nerve tonic and to enhance sexual performance. OBJECTIVE The study aimed at investigating the chemical profile, antinociceptive and anti-inflammatory activities of P. conophora oil (PCO). METHODS Seed oil of P. conophora was characterized using Gas-Liquid Chromatographic method (GC-MS) and oral acute toxicity evaluated at 2000 mg/kg. Antinociceptive effects were evaluated in hot plate, acetic acid and formalin-induced paw licking tests. The anti-inflammatory effects were investigated in egg albumin and carrageenan-, formalin and complete Freund adjuvant (CFA)-induced paw oedema models. The levels of pro-inflammatory cytokines in the fluid exudates were also evaluated in carrageenan air pouch model. RESULTS PCO exhibited high content of alpha linolenic acid (ALA). No toxicity was observed at 2000 mg/kg of PCO. PCO (50-200 mg/kg) demonstrated significant anti-nociceptive activity in pain models. PCO exhibited anti-inflammatory activity against oedema formation by phlogistic agents. The increased inflammatory oedema and oxidative stress in CFA-treated rats were also attenuated by PCO. The PCO (100 and 200 mg/kg) significantly reduced the levels of TNF-α (59.3% and 85.2%) and IL-6 (27.5% and 72.5%) in carrageenan-induced air pouch model. CONCLUSION The results of this study suggest that ALA-rich seed oil of Plukenetia conophora demonstrated anti-nociceptive and anti-inflammatory activities via inhibition of pro-inflammatory cytokines and oxidative stress, lending supportive evidences for its use in painful inflammatory conditions.
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Affiliation(s)
- Abayomi M Ajayi
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
| | - Christie B Ola
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
| | - Maduka B Ezeagu
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
| | - Paul A Adeleke
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
| | - Kayode A John
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
| | - Mary O Ologe
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, University of Ilorin, Kwara State, Nigeria.
| | - Benneth Ben-Azu
- Department of Pharmacology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria.
| | - Solomon Umukoro
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo-State, Nigeria.
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Wurdack KJ. A new, disjunct species of Bahiana (Euphorbiaceae, Acalyphoideae): Phytogeographic connections between the seasonally dry tropical forests of Peru and Brazil, and a review of spinescence in the family. PHYTOKEYS 2023; 219:121-144. [PMID: 37252447 PMCID: PMC10209711 DOI: 10.3897/phytokeys.219.95872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 01/19/2023] [Indexed: 05/31/2023]
Abstract
Bahiana is expanded from 1 to 2 species with the description of B.occidentalis K. Wurdack, sp. nov. as a new endemic of the seasonally dry tropical forests (SDTFs) of Peru. The disjunct distribution of Bahiana with populations of B.occidentalis on opposite sides of the Andes in northwestern Peru (Tumbes, San Martín) and B.pyriformis in eastern Brazil (Bahia) adds to the phytogeographic links among the widely scattered New World SDTFs. Although B.occidentalis remains imperfectly known due to the lack of flowering collections, molecular phylogenetic results from four loci (plastid matK, rbcL, and trnL-F; and nuclear ITS) unite the two species as does gross vegetative morphology, notably their spinose stipules, and androecial structure. Spinescence in Euphorbiaceae was surveyed and found on vegetative organs in 25 genera, which mostly have modified sharp branch tips. Among New World taxa, spines that originate from stipule modifications only occur in Bahiana and Acidocroton, while the intrastipular spines of Philyra are of uncertain homologies.
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Affiliation(s)
- Kenneth J. Wurdack
- Department of Botany, MRC-166, National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, Washington DC 20013-7012, USANational Museum of Natural HistoryWashington DCUnited States of America
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Lipid composition of the Amazonian 'Mountain Sacha Inchis' including Plukenetia carolis-vegae Bussmann, Paniagua & C.Téllez. Sci Rep 2022; 12:6450. [PMID: 35440613 PMCID: PMC9018825 DOI: 10.1038/s41598-022-10404-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 04/04/2022] [Indexed: 11/30/2022] Open
Abstract
Several Amazonian species of Plukenetia are remarkably rich sources of polyunsaturated fatty acids, in particular α-linolenic acid. The lipid composition of the large-seeded, recently described ‘Mountain Sacha Inchi’ Plukenetia carolis-vegae is reported here for the first time, and compared with Plukenetia huayllabambana, two cultivars of Plukenetia volubilis, and a newly developed hybrid between P. volubilis and P. carolis-vegae. All species and cultivars had a very high content of polyunsaturated fatty acids, 82.6–86.7% of total fatty acids, and at least 46.6% α-linolenic acid of total fatty acids. The highest content was found in P. carolis-vegae which had 57.4%. The exceptionally high α-linolenic acid content suggests that P. carolis-vegae may be an important plant-derived dietary source of this essential fatty acid and that the species has considerable potential for further domestication and commercialisation of its seeds and seed oil. A TAG analysis was carried out for the two P. volubilis cultivars, in which LLnLn and LnLL were most prevalent, and for P. huayllabambana, in which LLnLn constituted the largest fraction, followed by LnLnLn, indicating that this large-seeded species also has interesting dietary properties.
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Kim DS, Joo N. Feasibility of Elder-Friendly Food Applications of Sacha Inchi According to Cooking Method: Focusing on Analysis of Antioxidative Activity and Brain Neuron Cell Viability. Foods 2021; 10:2948. [PMID: 34945501 PMCID: PMC8700732 DOI: 10.3390/foods10122948] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/15/2021] [Accepted: 11/29/2021] [Indexed: 11/17/2022] Open
Abstract
One of the objectives of this study was to determine the effect of the cooking method on the antioxidant activity of Sacha inchi (Plukenetia volubilis). This work was focused on the importance of performing proper cooking for studying Sacha inchi. The result of this study sheds light on preventing nutritional loss with appropriate cooking methods. Three types of cooking processes were selected: uncooked, roasted at 160 °C for 6 min, boiled at 100 °C for 13 min. The results of the present study indicated that roasted Sacha inchi is distinguishable for its high content of antioxidants (total polyphenol content 485.50 μM, total flavonoid content 0.02 μg/mL, DPPH free radical scavenging activity 33.05%, ferric reducing ability 0.19 μM). The results of the present study also indicated that Sacha inchi uniquely promotes HT22 cell viability. With roasted Sacha inchi treatment, HT22 hippocampal neuronal cell showed a significantly increased number of growth (p < 0.001). Results also suggest that the development of tenderized Sacha inchi could help the elderly consumers achieve their target antioxidant provision in smaller portion sizes, thus curtailing the peril of sarcopenia. The mousse type of elderly food may also change the taste of many other nut consumers as they may opt to start selling and consuming Sacha inchi. It could be in the Sacha inchi industry's best interest to make certain all of the population's textural favors are catered.
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Affiliation(s)
| | - Nami Joo
- Department of Food and Nutrition, Sookmyung Women’s University, Seoul 04310, Korea;
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Yang S, Huang L, Song J, Liu L, Bian Y, Jia B, Wu L, Xin Y, Wu M, Zhang J, Yu J, Zang X. Genome-Wide Analysis of DA1-Like Genes in Gossypium and Functional Characterization of GhDA1-1A Controlling Seed Size. FRONTIERS IN PLANT SCIENCE 2021; 12:647091. [PMID: 34093610 PMCID: PMC8173226 DOI: 10.3389/fpls.2021.647091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
Cotton (Gossypium spp.) is an economically important crop grown for natural fiber and seed oil production. DA1 is a ubiquitin receptor that determines final seed and organ size by restricting the period of cell proliferation. In the present study, we identified 7 DA1-like genes each in cultivated tetraploid (AADD) G. hirsutum and G. barbadense, and 4 and 3 DA1-like genes in their ancestral diploid G. arboreum (A2A2) and G. raimondii (D5D5), respectively. The 7 GhDA1 genes were confirmed to be distributed on four At and three Dt subgenome chromosomes in G. hirsutum. GhDA1-1A showed a high sequence similarity to AtDA1 in Arabidopsis, and they possessed the same functional domains, suggesting conserved functions. The overexpression of GhDA1-1A R301K in Arabidopsis significantly increased seed size and seed weight, indicating that GhDA1-1A is a promising target for cotton improvement. This study provides information on the molecular evolutionary properties of DA1-like genes in cotton, which will be useful for the genetic improvement of cotton.
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Affiliation(s)
- Shuxian Yang
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Li Huang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Jikun Song
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Lisen Liu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Yingying Bian
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Bing Jia
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Luyao Wu
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Yue Xin
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Man Wu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Jinfa Zhang
- Department of Plant and Environmental Sciences, New Mexico State University, Las Cruces, NM, United States
| | - Jiwen Yu
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
| | - Xinshan Zang
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Ministry of Agriculture and Rural Affairs, Anyang, China
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Villanueva-Corrales S, García-Botero C, Garcés-Cardona F, Ramírez-Ríos V, Villanueva-Mejía DF, Álvarez JC. The Complete Chloroplast Genome of Plukenetia volubilis Provides Insights Into the Organelle Inheritance. FRONTIERS IN PLANT SCIENCE 2021; 12:667060. [PMID: 33968119 PMCID: PMC8103035 DOI: 10.3389/fpls.2021.667060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 03/24/2021] [Indexed: 05/04/2023]
Abstract
Plukenetia volubilis L. (Malpighiales: Euphorbiaceae), also known as Sacha inchi, is considered a promising crop due to its high seed content of unsaturated fatty acids (UFAs), all of them highly valuable for food and cosmetic industries, but the genetic basis of oil biosynthesis of this non-model plant is still insufficient. Here, we sequenced the total DNA of Sacha inchi by using Illumina and Nanopore technologies and approached a de novo reconstruction of the whole nucleotide sequence and the organization of its 164,111 bp length of the chloroplast genome, displaying two copies of an inverted repeat sequence [inverted repeat A (IRA) and inverted repeat B (IRB)] of 28,209 bp, each one separating a small single copy (SSC) region of 17,860 bp and a large single copy (LSC) region of 89,833 bp. We detected two large inversions on the chloroplast genome that were not presented in the previously reported sequence and studied a promising cpDNA marker, useful in phylogenetic approaches. This chloroplast DNA (cpDNA) marker was used on a set of five distinct Colombian cultivars of P. volubilis from different geographical locations to reveal their phylogenetic relationships. Thus, we evaluated if it has enough resolution to genotype cultivars, intending to crossbreed parents and following marker's trace down to the F1 generation. We finally elucidated, by using molecular and cytological methods on cut flower buds, that the inheritance mode of P. volubilis cpDNA is maternally transmitted and proposed that it occurs as long as it is physically excluded during pollen development. This de novo chloroplast genome will provide a valuable resource for studying this promising crop, allowing the determination of the organellar inheritance mechanism of some critical phenotypic traits and enabling the use of genetic engineering in breeding programs to develop new varieties.
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Affiliation(s)
| | - Camilo García-Botero
- CIBIOP Research Group, Biological Sciences Department, EAFIT University, Medellín, Colombia
| | - Froilán Garcés-Cardona
- CIBIOP Research Group, Biological Sciences Department, EAFIT University, Medellín, Colombia
| | - Viviana Ramírez-Ríos
- CIBIOP Research Group, Biological Sciences Department, EAFIT University, Medellín, Colombia
| | | | - Javier C. Álvarez
- BEC Research Group, Biological Sciences Department, EAFIT University, Medellín, Colombia
- CIBIOP Research Group, Biological Sciences Department, EAFIT University, Medellín, Colombia
- *Correspondence: Javier C. Álvarez,
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Gillespie LJ, Cardinal-McTeague WM, Wurdack KJ. Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil. PHYTOKEYS 2020; 169:119-135. [PMID: 33354142 PMCID: PMC7738469 DOI: 10.3897/phytokeys.169.59244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 11/20/2020] [Indexed: 06/12/2023]
Abstract
Monadelpha L.J.Gillespie & Card.-McTeag., gen. nov., is described as a new member of Euphorbiaceae tribe Plukenetieae subtribe Tragiinae, to accommodate Tragia guayanensis, a species known from western Amazonas, Venezuela and, newly reported here, from Amazonas, Brazil. The genus is unique in the subtribe for having 5-colpate pollen and staminate flowers with filaments entirely connate into an elongate, cylindrical staminal column terminated by a tight cluster of anthers. Phylogenetic analyses based on nuclear rDNA ITS and sampling 156 accessions across the diversity of Tragiinae (all 12 genera and 77 of ~195 species) also support Monadelpha as a distinct lineage that is separate from Tragia. A revised key to the genera of Tragiinae in South America and Central America is provided.
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Affiliation(s)
- Lynn J. Gillespie
- Research & Collections, Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, Ontario, K1P 6P4, CanadaCanadian Museum of NatureOttawaCanada
| | - Warren M. Cardinal-McTeague
- Research & Collections, Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, Ontario, K1P 6P4, CanadaCanadian Museum of NatureOttawaCanada
- Agriculture and Agri-Food Canada, Ottawa Research and Development Centre, 960 Carling Ave, Ottawa, Ontario, K1A 0C6, CanadaAgriculture and Agri-Food CanadaOttawaCanada
| | - Kenneth J. Wurdack
- Department of Botany, National Museum of Natural History, Smithsonian Institution, MRC-166, P.O. Box 37012, Washington DC 20013-7012, USANational Museum of Natural History, Smithsonian InstitutionWashington D.C.United States of America
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Kodahl N. Sacha inchi (Plukenetia volubilis L.)-from lost crop of the Incas to part of the solution to global challenges? PLANTA 2020; 251:80. [PMID: 32185506 DOI: 10.1007/s00425-020-03377-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/11/2020] [Indexed: 05/19/2023]
Abstract
The underutilized, oleaginous crop Plukenetia volubilis L. has a remarkable lipid composition and a large potential for further domestication, alleviation of malnutrition, and integration into sustainable food production systems. Current global challenges include climate change, increasing population size, lack of food security, malnutrition, and degradation of arable lands. In this context, a reformation of our food production systems is imperative. Underutilized crops, or orphan crops, can provide valuable traits for this purpose, e.g., climate change resilience, nutritional benefits, cultivability on marginal lands, and improvement of income opportunities for smallholders. Plukenetia volubilis L. (Euphorbiaceae)-sacha inchi-is a 'lost crop' of the Incas native to the Amazon basin. Its oleaginous seeds are large, with a high content of ω-3, and -6 fatty acids (ca. 50.5, and 34.1%, of the lipid fraction, respectively), protein, and antioxidants. Culinarily, the seeds are nut-like and the crop has been associated with humans since Incan times. Research has particularly been undertaken in seed biochemistry, and to some extent in phylogeny, genetics, and cultivation ecology, but attention has been unevenly distributed, causing knowledge gaps in areas such as ethnobotany, allergenicity, and sustainable cultivation practices. Recently, seed size evolution and molecular drivers of the fatty acid synthesis and composition have been studied, however, further research into the lipid biosynthesis is desirable. Targeted breeding has not been undertaken but might be especially relevant for yield, sensory qualities, and cultivation with low environmental impact. Similarly, studies of integration into sustainable management systems are of highest importance. Here, present knowledge on P. volubilis is reviewed and a general framework for conducting research on underutilized crops with the aim of integration into sustainable food production systems is presented.
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Affiliation(s)
- Nete Kodahl
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark.
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Luo Y, Pan BZ, Li L, Yang CX, Xu ZF. Developmental basis for flower sex determination and effects of cytokinin on sex determination in Plukenetia volubilis (Euphorbiaceae). PLANT REPRODUCTION 2020; 33:21-34. [PMID: 31907610 PMCID: PMC7069929 DOI: 10.1007/s00497-019-00382-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 12/24/2019] [Indexed: 06/08/2023]
Abstract
KEY MESSAGE Cytokinin might be an important factor to regulate floral sex at the very early stage of flower development in sacha inchi. Sacha inchi (Plukenetia volubilis, Euphorbiaceae) is characterized by having female and male flowers in a thyrse with particular differences. The mechanisms involved in the development of unisexual flowers are very poorly understood. In this study, the inflorescence and flower development of P. volubilis were investigated using light microscopy and scanning electron microscopy. We also investigated the effects of cytokinin on flower sex determination by exogenous application of 6-benzyladenine (BA) in P. volubilis. The floral development of P. volubilis was divided into eight stages, and the first morphological divergence between the male and female flowers was found to occur at stage 3. Both female and male flowers can be structurally distinguished by differences in the shape and size of the flower apex after sepal primordia initiation. There are no traces of gynoecia in male flowers or of androecia in female flowers. Exogenous application of BA effectively induced gynoecium primordia initiation and female flower development, especially at the early flower developmental stages. We propose that flower sex is determined earlier and probably occurs before flower initiation, either prior to or at inflorescence development due to the difference in the position of the female and male primordia in the inflorescence and in the time of the female and male primordia being initiated. The influence of cytokinin on female primordia during flower development in P. volubilis strongly suggests a feminization role for cytokinin in sex determination. These results indicate that cytokinin could modify the fate of the apical meristem of male flower and promote the formation of carpel primordia in P. volubilis.
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Affiliation(s)
- Yan Luo
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Menglun Mengla, 666303, Yunnan, China
- Gardening and Horticulture Department, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, 666303, Yunnan, China
| | - Bang-Zhen Pan
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Menglun Mengla, 666303, Yunnan, China
| | - Lu Li
- Yunnan Academy of Biodiversity, Southwest Forestry University, Kunming, 650224, Yunnan, China
| | - Chen-Xuan Yang
- Gardening and Horticulture Department, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, 666303, Yunnan, China
| | - Zeng-Fu Xu
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Menglun Mengla, 666303, Yunnan, China.
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