Papers - Pachakkil Babil
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QTL analysis of femaleness in monoecious spinach and fine mapping of a major QTL using an updated version of chromosome-scale pseudomolecules Reviewed International journal
Kaoru Yamano, Akane Haseda, Keisuke Iwabuchi, Takayuki Osabe, Yuki Sudo, Babil Pachakkil, Keisuke Tanaka, Yutaka Suzuki, Atsushi Toyoda, Hideki Hirakawa, Yasuyuki Onodera
PloS one 19 ( 2 ) 2024
Language：English Publishing type：Research paper (scientific journal)
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Changes in the rhizosphere and root-associated bacteria community of white Guinea yam (Dioscorea rotundata Poir.) impacted by genotype and nitrogen fertilization Reviewed International coauthorship
Ayodeji Peter Idowu, Kosuke Yamamoto, Takahiko Koizumi, Minenosuke Matsutani, Kanako Takada, Yuh Shiwa, Asrat Asfaw, Ryo Matsumoto, Michel Ouyabe, Babil Pachakkil, Hidehiko Kikuno, Hironobu Shiwach
Heliyon 10 ( 12 ) 2024
Language：English Publishing type：Research paper (scientific journal)
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Bacterial community of water yam (Dioscorea alata L.) cv. A-19 Reviewed International journal
Kihara, Shunta, Yamamoto Kosuke, Hisatomi Atsushi, Shiwa Yuh, Chu Chia-Cheng, Takada Kanako, Ouyabe Michel, Pachakkil Babil, Kikuno Hidehiko, Tanaka Naoto, Shiwachi Hironobu
Microbes and Environmnets 37 ( 2 ) 2022.03
Language：English Publishing type：Research paper (scientific journal)
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Growth of water yam (Dioscorea alata L.) as affected by bacterial inoculation under growth chamber conditions Invited Reviewed
S. Liswadiratanakul, M. Oyabe, H. Hinomizu, K. Takada, H. Kikuno, B. Pachakkil and H. Shiwachi
Tropical Agriculture and Development 65 ( 1 ) 41 - 48 2021.03
Language：English Publishing type：Research paper (scientific journal)
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Simple sequence repeat-based mini-core collection for white Guinea yam (Dioscorea rotundata) germplasm
B. Pachakkil, S. Yamanaka, G. Girma, R. Matsumoto, M. Tamaru-Oli, R. Bhattacharjee, M. Abberton, S. Muranaka, R. Asiedu, R. Terauchi, H. Takagi
Crop Science 61 1268 - 1279 2021.01
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Growth of Water Yam (<i>Dioscorea alata</i> L.) as Affected by Bacterial Inoculation under Growth Chamber Conditions Reviewed
LISWADIRATANAKUL Sumetee, OUYABE Michel, HINOMIZU Hideki, TAKADA Kanako, KIKUNO Hidehiko, PACHAKKIL Babil, SHIWACHI Hironobu
Tropical Agriculture and Development 65 ( 1 ) 41 - 48 2021
Language：English Publisher：Japanese Society for Tropical Agriculture
<p>Soil fertility is one of the most important limitations in yam (<i>Dioscorea</i> spp.) growth and yield. This study evaluated the effect of bacterial inoculation on the growth and source of nitrogen in water yam (<i>D. alata</i> L.) cv. A-19 under growth chamber conditions. The plants were inoculated with two different inoculant concentrations (10<sup>+4</sup> and 10<sup>+6</sup> CFU.ml<sup>-1</sup>) of <i>Agrobacterium</i> sp. strain 343, which was previously isolated from the root of water yam cv. A-19, along with a non-inoculated as the control treatment. Sterilized vermiculite was used as a growing substrate and data were collected at 30, 60 and 90 days after inoculation. The inoculation significantly improved most of all growth parameters (i.e., the number of leaves, leaf area, plant dry weight and chlorophyll content) and nitrogen content in leaves of inoculated plants compared with the control. The δ<sup>15</sup>N results suggest that 33 to 51% N in inoculated plants could be derived from the atmosphere. To the best of our knowledge, this is the first work reporting the effects of its root endophytic bacterial inoculation on yam.</p>
DOI： 10.11248/jsta.65.41
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Genome analyses reveal the hybrid origin of the staple crop white Guinea yam (Diosocrea rotundata) Reviewed
Proceedings of the National Academy of Sciences of the United States of America 117 ( 50 ) 31987 - 31992 2020.12
Language：English Publishing type：Research paper (scientific journal)
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Rhizobium dioscorea sp. nov., a plant growth-promoting bacterium isolated from yam (Dioscorea species) Reviewed International journal
Michel Ouyabe, Naoto Tanaka, Yuh Shiwa, Nobuyuki Fujita, Hidehiko Kikuno, Babil Pachakkil, Hironobu Shiwachi
International Journal of Systematic and Evolutionary Microbiology 1 - 9 2020.08
Language：English Publishing type：Research paper (scientific journal)
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Genome-wide genotyping elucidates the geographical diversification and dispersal of the polyploid and clonal propagated yam ( Diosocorea alata) Reviewed
Bilal Muhammad Sharif, Concetta Burgarella, Fabien Cormier, Pierre Mournet, Sandrine Causse, Kin Nguyen Van, Juliane Kaoh, Mamy Tiana Rajaonah, Senanayake Ravinda Lakshan, Jeffrey Waki, Ranjana Bhattacharjee, Gueye Badara, Babil Pachakkil, Gemma Arnau, Hana Chair
Annals of Botany 2020.07
Language：English Publishing type：Research paper (scientific journal)
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Response of Upland Rice ( Oryza sativa) inoculated with Non-Native Plant Growth-Promoting Bacteria Reviewed
M. Ouyabe, K. Irie, N. Tanaka, H. Kikuno, B. Pachakkil, H. Shiwacho
Agronomy 10 ( 6 ) 2020.06
Language：English Publishing type：Research paper (scientific journal)
A deep-rooting upland rice variety (Kinandang Patong) was evaluated for its growth response to bio-fertilization at early stages. Five non-native plant growth-promoting bacteria previously isolated from yams (Dioscorea spp.) were inoculated to upland rice under growth chamber and greenhouse conditions. Effects of the inoculation varied depending on bacterial strains and growing conditions. Growth of 14-day rice seedlings was improved by all tested bacterial strains. Under growth chamber, the strain S-333 increased plant length, shoot dry weight and nitrogen content as compared to the control, but total dry weight, nitrogen uptake, leaf chlorophyll content and number of tillers were higher with N fertilizer application. Under greenhouse conditions, most rice growth parameters were improved by inoculation with the strain S-7. The correlations between the bacterial plant-growth-promoting traits and rice growth parameters under growth chamber conditions were all negative for phosphate solubilization indexes. Our results suggest that bacterial inoculation can replace half (S-343 and S-611) of or the full (S-7) rate of chemical N fertilizer required, depending on bacterial strains and growing environments, although δ15N value in control plants was lower than in inoculated plants under growth chamber conditions, suggesting that the bacteria improve rice growth through mechanisms other than biological nitrogen fixation.
DOI： https://doi.org/10.3390/agronomy10060903
Other Link： https://www.mdpi.com/2073-4395/10/6/903
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Infection route of endophytic nitrogen-fixing bacteria in water yam (Dioscorea alata) Reviewed
H. Shiwacho, N. Miwa, K. Takada, M. Ouyabe, B. Pachakkil, H. Kikuno and N. Tanaka
Tropical Agriculture and Development 64 ( 1 ) 1 - 6 2020.03
Language：English Publishing type：Research paper (scientific journal)
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Isolation of nitrogen-fixing bacteria from water yam (Dioscorea alata L.) Reviewed
Kanako Takada, Naoto Tanaka, Hidehiko Kikuno, Pachakkil Babil, Michio Onjo, Byoung-Jae Park, and Hironobu Shiwachi
Tropical Agriculture and Development 63 ( 4 ) 198 - 203 2019.12
Language：English Publishing type：Research paper (scientific journal)
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Endophytic nitrogen-fixing bacteria of water yam (Dioscorea alata L.) in relation with fertilization practices Reviewed
M. Oyabe, H. Kikuno, N. Tanaka, B. Pachakkil and H. Shiwachi
Tropical Agriculture and Development 63 ( 3 ) 122 - 130 2019.09
Language：English Publishing type：Research paper (scientific journal)
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Contribution of biological nitrogen fixation in lesser yam (Dioscorea esculenta) associated with endophytic diazotrophic bacteria Reviewed
M. Oyabe, H. Kikuno, N. Tanaka, B. Pachakkil and H. Shiwachi
Tropical Agriculture and Development 63 ( 3 ) 131 - 139 2019.09
Language：English Publishing type：Research paper (scientific journal)
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Cytogenetic and agronomic characterization of intergeneric hybrids between Saccharin spp. hybrid and Erianthus arundinaceus Reviewed International journal
Babil Pachakkil, Yoshifumi Terajima, Nobuko Ohmido, Masumi Ebina, Shin Irei, Hisayoshi Hayashi and Hiroko Takagi
Scientific Reports 9 2019
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
DOI： https://doi.org/10.1038/s41598-018-38316-6
Other Link： https://www.nature.com/articles/s41598-018-38316-6
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Analysis of the source of nitrogen during water yam (Dioscorea alata L.) growth using δ15N observations Reviewed
K. Takada, H. Kikuno, P. Babil, and H. Shiwachi
Tropical Agriculture and Development 62 ( 3 ) 124 - 131 2018.09
Language：English Publishing type：Research paper (scientific journal)
The relationship between nitrogen (N) absorption and growth in water yam (Dioscorea alata L.) is not clearly understood. A previous experiment suggested that water yam is able to grow under poor soil conditions regardless without nitrogen fertilization; however, the source of nutrition was not identified. This study aimed to identify the source of N and the percentage of plant N derived from atmospheric N2 (% Ndfa) under poor soil conditions. Experiments were carried out on Miyako Island, Okinawa Prefecture, Japan, from April 2014 to December 2015. In experiment 1, water yam growth was compared under urea application (N treatment) and without (control), while in experiment 2 urea (N treatment) or cow manure (CM treatment) application versus without (control) was compared. N and CM treatment had a positive effect on growth and tuber yield. However, while yellowish leaves were observed in control plants, they grew until harvest, and tuber yield was similar between treatments. The δ15N values of the N- and CM-treated plants suggested that N was absorbed from the urea and cow manure; however, in the control plants, the N source seems to have been atmospheric. The δ15N values further suggested that water yam grown without N absorbed 38.04% N from the air.
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Intra-Specific Genetic Diversity in Water yam ( Dioscorea alata L) Accessions Collected from Myanmar, Papua New Guinea, and Japan Reviewed International journal
Favor Olu-Olusegun, Pachakkil Babil, Hidehiko Kikuno, Kenji Irie, Hidekazu Toyohara, and Hironobu Shiwacho
Journal of International Society for Southeast Asian Agricultural Sciences 24 ( 1 ) 107 - 117 2018.06
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
パプア・ニューギニア、ミャンマーおよび日本国内から採取したヤムイモの一種であるダイジョ品種の遺伝的多様性を解明した。
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Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination Reviewed International journal
Muluneh Tamara et al.
BMC Biology 15 86 2017.09
Language：English Publishing type：Research paper (scientific journal)
西アフリカ地域の主食作物であるホワイトギニアヤムの全ゲノム情報を解読した。さらに、得られたゲノム情報に基づいて雌雄識別に利用できるDNAマーカーの開発に成功した。
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Water yam (Dioscorea alata L) is able to grow in low fertile soil conditions Reviewed
K Takada, H Kikuno, P Babil, K Irie and H Shiwachi
Tropical Agriculture and Development 61 ( 1 ) 8 - 14 2017.03
Language：English Publishing type：Research paper (scientific journal)
ダイジョは底肥沃土壌でも比較的良く育つことが明らかになり、ダイジョの生育に窒素固定細菌が関与していることが推察された。
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Nitrogen-fixing endophytic bacteria is involved with the lesser yam (Dioscorea esculenta L.) growth under low fertile soil condition Reviewed
A.Q. Rezaei, H. Kikuno, P. Babil, N. Tanaka, B-J. Park, M. Onjo and H. Shiwachi
Tropical Agriculture and Development 61 ( 1 ) 40 - 47 2017.03
Language：English Publishing type：Research paper (scientific journal)
ヤムイモの一種であるトゲイモは窒素固定細菌と共生していることを明らかにした。