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| 1 | Identification of Naturally Occurring Polyamines as Root-Knot Nematode Attractants显示文摘Root-knot nematodes(RKNs;genus Meloidogyne)are a class of plant parasites that infect the roots of many plant species.It is believed that RKNs target certain signaling molecules derived from plants to locate their hosts;however,currently,no plant compound has been unambiguously identified as a universal RKN attractant.To address this question,we screened a chemical library of synthetic compounds for Meloidogyne incognita attractants.The breakdown product of aminopropylam ino-anthraquinone,1,3-diam inopropane,as well as its related compounds,putrescine and cadaverine,were found to attract M.incognita.After exam ining various polyamines,M.incognita were found to be attracted specifically by natural com pounds that possess three to five methylene groups between two terminal amino groups.Using cryo-TO F-SIM S/SEM,cadaverine was indeed detected in soybean root cortex cells and the surrounding rhizosphere,establishing a chemical gradient.In addition to cadaverine,putrescine and 1,3-diam inopropane were also detected in root exudate by HPLC-MS/MS.Furtherm ore,exogenously applied cadaverine is sufficient to enhance M.incognita infection of Arabidopsis seedlings.These results suggest that M.incognita is likely attracted by polyam ines to locate the appropriate host plants,and the naturally occurring polyamines have potential applications in agriculture in developing protection strategies for crops from RKN infection. | Morihiro Oota Allen Yi-Lun Tsai Dan Aoki Yasuyuki Matsushita Syuuto Toyoda Kazuhiko Fukushima Kentaro Saeki Kei Toda Laetitia Perfus-Barbeoch Bruno Favery Hayato Ishikawa Shinichiro Sawa | 2020 | Molecular Plant2020，13，4： | 4 |
| 2 | Mechnosensitve afferent units in the lumbar intervertebral disc and adjacent muscle显示文摘 | Yamashita T Minakiy Oota I | 1993 | Spine1993，18，： | 1 |
| 3 | Gefitinib, an epidermal growth factor receptor blockade agent, shows additional or synergistic effects on the radiosensitivity of esophageal cancer ceils in vitro 显示文摘 | Taira N Doihara H Oota T | 2006 | Acta Med Okayama2006，60，1： | 1 |
| 4 | A switched-capacitor (SC) AC-DC or AC-AC converter with arbitrarily output voltage using the same circuit configuration显示文摘 | I Oota K Eghchi | 2006 | Proc of IEEE PESC2006，，： | 1 |
| 5 | Immunological responses in acute low-tone sensorineural hearing loss and Meniere's disease显示文摘 | Fuse T Hayashi T Oota N | 2003 | Acta Otolaryngol2003，123，1： | 1 |
| 6 | Immunological response in acute low-tone sensorineural hearing loss and Meniere's disease显示文摘 | Fuse T Hayashi T Oota N | 2003 | Acta Otolaryngol2003，123，1： | 1 |
| 7 | Genetic Structure of a 2500-Year-old Human Population in China and its Spatiotemporal Changes 显示文摘 | Li Wang Hiroki Oota Naruya Saitou | 2000 | Mol Biol Evol2000，17，9： | 1 |
| 8 | Ozone-microfiltration system 显示文摘 | Mori Y Oota T Hashino M | 1998 | Desalination1998，117，3： | 1 |
| 9 | Law-thermal-expansion polycrystalline zircony phosphate ceramic显示文摘 | Yamai I and Oota T | 1985 | Journal of the American Ceramic Society1985，68，5： | 1 |
| 10 | Design philosophy and performance of a GE-PON system for mass deployment 显示文摘 | TATSUTA T OOTA N MIKI N | 2007 | Journal of Optical Networking2007，6，6： | 1 |
| 11 | Correction and evaluation of the effect due to parasitic motion on primary aecelerometer calibration显示文摘 | Oota A Usuda T Nozato H | 2010 | Measurement2010，43，5： | 1 |
| 12 | Gefitinib,an epidermal growth factor receptor blockade agent, shows additional or synergistic effects on the radiosensitivity of esophageal cancer cells in vitro显示文摘 | Taira N Doihara H Oota T | 2006 | Acta Med Okayama2006，60，1： | 1 |
| 13 | Strategies for reducirg maternal mortality: getting on with what works 显示文摘 | Oota MR Wendy J | 2006 | The I antet2006，368，9543： | 1 |
| 14 | Mechnosensitive af- ferent units in the lumbar interver tebral disc and adjacent muscles显示文摘 | Yamashita T Minaki Y Oota l | 1993 | Spine1993，18，15： | 1 |
| 15 | A design method of switched-capacitor power converters by employing a ring-type power converter 显示文摘 | EGUCHI K OOTA 1 TERADA S INOUE T | 2009 | International Journal of Innovative Computing Information and Control2009，5，10： | 1 |
| 16 | Sequence variation found in the flanking region of a trimeric short tandem repeat at the PLA2 locus: its considerable effect on estimating alleles显示文摘 | Oota H Saitoh H | 1996 | Nippon Hoigaku Zasshi1996，50，1： | 1 |
| 17 | Gefitinib, an epidermal growth factor receptor blockade agent, shows additional or syn- ergistic effects on the radiosensitivity of esophageal cancer cells in vitro 显示文摘 | Taira N Doihara H Oota T | 2006 | Acta Medica Okayama2006，60，： | 1 |
| 18 | The evolution and population genetics of the ALDH2 locus : Random genetic drift, selection, and low levels of recombination显示文摘 | Oota H Pakstis A J Bonne-Tamir B | 2004 | Annals of Human Genetics2004，68，2： | 1 |
| 19 | Molecular genetic analysis of remains of a 2,000-year-old human population in China-and it relevance for the origin of the modem Japanese population显示文摘 | Oota H Saitou N Matsushita T | 1999 | Am J Hum Genet1999，64，： | 1 |
| 20 | Genetic structure of a 2,500- year-old human population in China and its spatiotemporal changes显示文摘 | Wang L Oota H Saitou N | 2000 | Mol Biol Evol2000，17，9： | 1 |
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