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Pectobacterium is a major bacterial causal agent leading to soft rot disease in host plants. With the Arabidopsis- Pectobacterium pathosystem, we investigated the function of an Arabidopsis thaliana WRKY55 during defense responses to Pectobacterium carotovorum ssp. carotovorum (Pcc). Pcc-infection specifically induced WRKY55 gene expression. The overexpression of WRKY55 was resistant to the Pcc infection, while wrky55 knockout plants compromised the defense responses against Pcc. WRKY55 expression was mediated via Arabidopsis COI1-dependent signaling pathway showing that WRKY55 can contribute to the gene expression of jasmonic acid-mediated defense marker genes such as PDF1.2 and LOX2. WRKY55 physically interacts with Arabidopsis ORA59 facilitating the expression of PDF1.2. Our results suggest that WRKY55 can function as a positive regulator for resistance against Pcc in Arabidopsis.

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Characterization of hibiscus chlorotic ringspot virus-derived vsiRNAs from infected Hibiscus rosa-sinensis in China Han-hong Lan, Luan-mei Lu p. 415-424

Re-identification of Korean isolates in the Colletotrichum dematium, C. magnum, C. orchidearum, and C. orbiculare species complexes Le Dinh Thao, Hyorim Choi, Donghun Kang, Anbazhagan Mageswari, Daseul Lee, Dong-Hyun Kim, In-Young Choi, Hyeon-Dong Shin, Seung-Beom Hong p. 425-437

Arabidopsis MORC1 and MED9 interact to regulate defense gene expression and plant fitness Ji Chul Nam, Padam Shekhar Bhatt, April Bonnard, Dinesh Pujara, Hong-Gu Kang p. 438-450

Development and validation of an SNP marker for identifying Xanthomonas oryzae pv. oryzae Thai isolates that break xa5-mediated bacterial blight resistance in rice Tebogo Balone, Ananda Nuryadi Pratama, Werapat Chansongkram, Thanita Boonsrangsom, Kawee Sujipuli, Kumrop Ratanasut p. 451-462

Assessing cold plasma’s impact on banana growth and Fusarium wilt control Priya Rajakumar, Nadiya Akmal Baharum, Afiqah Insyirah Lutfi, Najiah Mohd Sadali, Muhamad Shakirin Mispan, Lim Lian Kuang, Yap Seong Ling, Norzulaani Khalid, Nur Ardiyana Rejab p. 463-474

Cestrum tomentosum L.f. extracts against Colletotrichum scovillei by altering cell membrane permeability and inducing ROS accumulation Guogeng Jia, Sun Ha Kim, Jiyoung Min, Nelson Villalobos Zamora, Silvia Soto Montero, Soo-Yong Kim, Sang-Keun Oh p. 475-485

High-throughput sequencing identified multiple fig viruses and viroids associated with fig mosaic disease in Iraq Nabeel Al-Kaeath, Shrooq Zagier, Osamah Alisawi, Fadhal Al Fadhal, Naima Mahfoudhi p. 486-497

Ralstonia solanacearum infection drives the assembly and functional adaptation of potato rhizosphere microbial communities Zhang Qing, Yang Jida, Fu Chengxiu, Yang Yanli, Liu Xia, Deng Sihe p. 498-511

Capsicum annuum NAC4 (CaNAC4) is a transcription factor with roles in biotic and abiotic stresses Guogeng Jia, Khaing Shwe Zin Thinn, Sun Ha Kim, Jiyoung Min, Sang-Keun Oh p. 512-524

Comparison of resistance acquisition and mechanisms in Erwinia amylovora against agrochemicals used for fire blight control Hyeonheui Ham, Ga-Ram Oh, Yong Hwan Lee, Yong Hoon Lee p. 525-536

Arabidopsis WRKY55 transcription factor enhances soft rot disease resistance with ORA59 Ji Eun Kang, Hyunsun Kim, Kyungyoung Song, Changhyun Choi, Yun Ju Kim, Duk-Ju Hwang, Eui-Hwan Chung p. 537-550

Molecular identification and genetic diversity analysis of papaya leaf curl China virus infecting Ageratum conyzoides Liping Zhang, Shujie Wu, Meisheng Zhao, Hussein Ghanem, Gentu Wu, Mingjun Li, Ling Qing p. 551-558

Investigation of antimicrobial compounds produced by endolichenic fungi in different culture media Jaycee Augusto G. Paguirigan, Eunah Jeong, Kyo Bin Kang, Jae-Seoun Hur, Wonyong Kim p. 559-567

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