Wolbachia -induced loss of male fertility is likely related to branch chain amino acid biosynthesis and iLvE in Laodelphax striatellus

Ju, Jia-Fei; Hoffmann, Ary A.; Zhang, Yankai; Duan, Xing-Zhi; Guo, Yan; Gong, Jun-Tao; Zhu, Wenchao; Hong, Xia

doi:10.1016/j.ibmb.2017.04.002

Cited by 27 publications

(36 citation statements)

References 51 publications

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“…SBPH was 100% infected with Wolbachia strain wStri in China (Zhang et al, 2013); Wolbachia was abundant in SBPH ovarian cells and caused high CI in SBPH (Noda et al, 2001). The high CI in SBPH may be because Wolbachia decreases male fertility in SBPH by affecting iLvE, a key factor of branched-chain amino acid biosynthesis, and delaying sperm maturation (Ju et al, 2017). Apart from CI, Wolbachia-infected females produced ap-proximately 30% more eggs than that of uninfected females, possibly by increasing the number of apoptotic cells (Guo et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

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Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

Zhang

Zhou

et al. 2019

Insect Science

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Bacteria symbionts in herbivores play an important role in host biology and ecology, and are affected by environmental factors such as temperature, diet, habitat, antibiotics and so on. However, the effects of antibiotics on the microbiome of the small brown planthopper Laodelphax striatellus (SBPH) remain unclear. Here, we studied the effects of tetracycline on the diversity and composition of bacterial colonies in different tissues of SBPH using high throughput sequencing of 16S ribosomal RNA amplicons. Our results show that Proteobacteria, Firmicutes, Bacteroidetes, Actinobacteria were most abundant in SBPH, and the genera Asaia and Wolbachia were most abundant in all body parts of SBPH. Antibiotic treatment had persistent effects on the composition of the SBPH microbiome. Tetracycline depleted the population of Firmicutes, Bacteroidetes, Tenericutes and Fusobacteria, and nearly 100% eliminated Wolbachia, Bacteroides and Abiotrophia in SBPH. Together, these results suggest that antibiotic exposure affects the bacteria symbionts of different body parts in SBPH and will facilitate future studies of the bacterial symbionts of arthropod hosts.

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Section: Discussionmentioning

confidence: 99%

“…The SBPH populations used in this study were collected from Nanjing, China in July 2014 (Ju et al, 2017). Fieldcollected planthoppers were reared on rice seedlings in a climate-controlled room (25°C, 60% relative humidity, and a photoperiod of 16 : 8 dark : light).…”

Section: Insectmentioning

confidence: 99%

Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

Zhang

Zhou

et al. 2019

Insect Science

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“…If prophage genes are involved in CI in D. pseudotakahashii, perhaps the prophage persist independently of Wolbachia in males, and/or there is maternal transmission of CI effectors. On the other hand, CI in this system could also be associated with a completely different mechanism given that multiple factors can influence CI in species (Ju et al 2017).…”

Section: Discussionmentioning

confidence: 99%

A Wolbachia infection from Drosophila that causes cytoplasmic incompatibility despite low prevalence and densities in males

et al. 2018

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Wolbachia bacteria are common insect endosymbionts transmitted maternally and capable of spreading through insect populations by cytoplasmic incompatibility (CI) when infected males cause embryo death after mating with uninfected females. Selection in the Wolbachia endosymbiont occurs on female hosts and is expected to favour strong maternal transmission to female offspring, even at the cost of reduced CI. With maternal leakage, nuclear genes are expected to be selected to suppress cytoplasmic incompatibility caused by males while also reducing any deleterious effects associated with the infection. Here we describe a new type of Wolbachia strain from Drosophila pseudotakahashii likely to have arisen from evolutionary processes on host and/or Wolbachia genomes. This strain is often absent from adult male offspring, but always transmitted to females. It leads to males with low or non-detectable Wolbachia that nevertheless show CI. When detected in adult males, the infection has a low density relative to that in females, a phenomenon not previously seen in Wolbachia infections of Drosophila. This Wolbachia strain is common in natural populations, and shows reduced CI when older (infected) males are crossed. These patterns highlight that endosymbionts can have strong sex-specific effects and that high frequency Wolbachia strains persist through effects on female reproduction. Female-limited Wolbachia infections may be of applied interest if the low level of Wolbachia in males reduces deleterious fitness effects on the host.

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“…The Wolbachia Wolbachia ‐induced CI is commonly explained as the “modification‐rescue model.” modified male sperm and caused embryonic death of fertilized eggs, which could be rescued when WI male mate with WI females (Serbus, Casper‐Lindley, Landmann, & Sullivan, ). Ju et al () found iLvE , a gene mediates branched‐chain amino acid (BCAA) biosynthesis, may be involved in Wolbachia ‐induced CI in L. striatellus . When compared with WU testes, iLvE was the most downregulated gene in WI testes.…”

Section: Wolbachiamentioning

confidence: 99%

Bacterial reproductive manipulators in rice planthoppers

Bing

Zhao

Hong

2019

Arch Insect Biochem Physiol

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Rice planthoppers (Hemiptera: Delphacidae) are notorious pests for rice (Oryza sativa) in Asia, posing a serious threat to rice production and grain security. Rice planthoppers harbor diverse bacterial symbionts, including Wolbachia, Cardinium, Spiroplasma, and Arsenophonus, which are known to manipulate reproduction in arthropod hosts. This microreview is to introduce current knowledge of bacterial reproductive manipulators in rice planthoppers, including their diversity, population dynamics, localization, transmission, and biological functions.

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Wolbachia -induced loss of male fertility is likely related to branch chain amino acid biosynthesis and iLvE in Laodelphax striatellus

Cited by 27 publications

References 51 publications

Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

Antibiotic exposure perturbs the bacterial community in the small brown planthopper Laodelphax striatellus

A Wolbachia infection from Drosophila that causes cytoplasmic incompatibility despite low prevalence and densities in males

Bacterial reproductive manipulators in rice planthoppers

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