A new distinct geminivirus causes soybean stay-green disease

Cheng, Ruixiang; Mei, Ruoxin; Yao, Rong; Chen, Hongyu; Miao, Dan; Cai, Lina; Fan, Jiayi; Li, Gairu; Xu, Ran; Lü, Weiguo; Gao, Yu; Ye, Wenwu; Su, Shuo; Han, Tianfu; Gai, Junyi; Wang, Yuanchao; Tao, Xiaorong; Xu, Yi

doi:10.1016/j.molp.2022.03.011

Cited by 26 publications

(30 citation statements)

References 10 publications

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“…Numerous begomoviruses have been reported to arise from recombination, and the resulting recombinants often have increased fitness or pathogenicity (Ramesh et al ., 2017 ). Our results suggesting that the geminivirus SbSGSV is the causal agent of SGS in China, which was verified mutually in a recent study reported that a new geminivirus causes soybean stay‐green disease (SoSGV, which has same length and structure with SbSGSV, and showing >98% complete genome sequence similarity with SbSGSV based on our personal communication with Dr. Xu) (Cheng et al ., 2022 ). Further experiments should be performed, such as infectivity assays, net insect experiments, and recombination experiments, to investigate the insect vectors account for the transmission of SbSGSV and to test whether the novel roles of SbSGSV identified in this study were likely acquired as a result of recombination.…”

Section: Discussionmentioning

confidence: 99%

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Wang

et al. 2022

Plant Biotechnology Journal

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Microbiota colonize every accessible plant tissue and play fundamental roles in plant growth and health. Soybean stay-green syndrome (SGS), a condition that causes delayed leaf senescence (stay-green), flat pods and abnormal seeds of soybean, has become the most serious disease of soybean in China. However, the direct cause of SGS is highly debated, and little is known about how SGS affect soybean microbiome dynamics, particularly the seed microbiome. We studied the bacterial, fungal, and viral communities associated with different soybean tissues with and without SGS using a multi-omics approach, and investigated the possible pathogenic agents associated with SGS and how SGS affects the assembly and functions of plant-associated microbiomes. We obtained a comprehensive view of the composition, function, loads, diversity, and dynamics of soybean microbiomes in the rhizosphere, root, stem, leaf, pod, and seed compartments, and discovered that soybean SGS was associated with dramatically increased microbial loads and dysbiosis of the bacterial microbiota in seeds. Furthermore, we identified a novel geminivirus that was strongly associated with soybean SGS, regardless of plant cultivar, sampling location, or harvest year. This whole-plant microbiome profiling of soybean provides the first demonstration of geminivirus infection associated with microbiota dysbiosis, which might represent a general microbiological symptom of plant diseases.

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Section: Discussionmentioning

confidence: 99%

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Wang

et al. 2022

Plant Biotechnology Journal

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“…Riptortus pedestris and other stink bugs have caused greater than 50% loss in soybean yields in Japan (Ikeura & Kuroda 2013). Riptortus pedestris also causes the soybean stay green syndrome, and in recent years, the worst losses due to the syndrome were reported in China (Gao et al 2019;Li et al 2021;Cheng et al 2022;Jin et al 2022). The population of R. pedestris has increased rapidly, which has caused the bean bug to grow from a secondary pest to a major soybean pest in the Huang-Huai-Hai river basin (Li et al 2019;Li et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Laboratory evaluation of leguminous plants for the development and reproduction of the bean bug Riptortus pedestris (Hemiptera: Alydidae)

Gao

Chen

et al. 2022

Entomological Science

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Riptortus pedestris is one of the most destructive pests of leguminous crops in East Asia. In this study, we assessed the effect of different leguminous plant species, including soybean, wild soybean, white kidney bean, runner bean, pea, cowpea, adzuki bean, mung bean, faba bean, and lentil vetch, on the development and reproduction of R. pedestris. We found that leguminous plant species significantly affect the developmental duration and survivability of the nymphs, adult longevity, and oviposition and fecundity in R. pedestris. The nymphs completed their development on all of these plants. The developmental duration of nymphs was the shortest (16.24 ± 0.57 days) on soybean and the longest (31.33 ± 1.76 days) on faba bean. The rates of survival of nymphs on soybean and pea were 93.2% and 93.0%, respectively. Female adults survived the longest on soybean (64.67 ± 6.64 days) and the shortest (13.27 ± 3.67 days) on white kidney bean. The fecundity on faba bean (decorticated pods) (143.0 ± 28.04 eggs) and soybean (116.63 ± 12.76 eggs) was higher than those on other plants. The age‐specific life table revealed that the population trend index values were all >1 except on wild soybean and faba bean, and the highest was on soybean (30.36), followed by pea (21.0). Soybean and pea were identified as the most suitable hosts for R. pedestris because of their shorter developmental duration, higher survivability, longevity and fecundity and greater population trend index on these hosts, while wild soybean and faba bean were relatively unsuitable host plants.

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“…[39], the phylogenetic relations of SoSGV coat protein may explain why leafhopper, other than whitefly [13], transmits SoSGV. Leafhoppers are shown to transmit plant geminiviruses in a persistent circulative manner [40], and the common brown leafhopper has a comparatively broad host plant range [41].…”

Section: Discussionmentioning

confidence: 99%

“…The Soybean SGS in China has caught the attention of growers and researchers for decades [1, 6–8, 10–12, 14, 17, 30, 31]. The geminivirus SoSGV was previously shown to be highly correlated to the incidences of SGS in the field and could cause SGS symptoms when inoculated to the soybean plants in the greenhouse [13, 28]. We found that the SGS is associated with SoSGV, with exceptions from the SGS samples collected in Shaanxi (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Recently, a novel geminivirus, soybean stay-green associated virus (SoSGV) [13], has been identified and found to be strongly associated with the SGS incidences in the Huang-Huai-Hai region of China [13, 27–29]. Inoculation of this virus to soybean plants based on an infectious viral clone recapitulates the SGS symptoms, like increased flat pod number and reduced yield, while the total pod number keeps unchanged [13]. However, the transmission method of this virus is currently unknown.…”

Section: Introductionmentioning

confidence: 99%

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Leafhopper transmits soybean stay-green associated virus to legume plants

Yin

et al. 2023

Preprint

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A novel geminivirus, soybean stay-green associated virus (SoSGV), was previously shown to cause soybean delayed senescence and is associated with the incidences of soybean stay-green syndrome. The transmission methods of SoSGV were not yet understood. We captured insects belonging to 24 distinct species in a soybean field with the SoSGV outbreak and detected the presence of SoSGV only in leafhoppers and bean bugs (Riptortus pedestris). Caged feeding experiments using captured leafhoppers and bean bugs from soybean fields showed that leafhoppers, but not bean bugs, are vectors transmitting SoSGV. The common brown leafhopper (Orosius orientalis) is identified as the dominant leafhopper species and can establish colonies feeding on soybean plants in experimental conditions. An investigation of SoSGV defective DNA revealed that soybean genomic DNA could be inserted into the SoSGV genome, while sequences from wild soybean, red bean, and cowpea were also identified. We further showed that the common brown leafhopper could transmit SoSGV to wild soybean and red bean plants, emphasizing the vector role of the leafhopper in the transmission of SoSGV in the field.

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A new distinct geminivirus causes soybean stay-green disease

Cited by 26 publications

References 10 publications

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Whole‐plant microbiome profiling reveals a novel geminivirus associated with soybean stay‐green disease

Laboratory evaluation of leguminous plants for the development and reproduction of the bean bug Riptortus pedestris (Hemiptera: Alydidae)

Leafhopper transmits soybean stay-green associated virus to legume plants

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