Virucidal effect of monogalactosyl diacylglyceride from a green microalga, Coccomyxa sp. KJ, against clinical isolates of SARS-CoV-2 as assessed by a plaque assay.

Virucidal effect of monogalactosyl diacylglyceride from a green microalga, Coccomyxa sp. KJ, against clinical isolates of SARS-CoV-2 as assessed by a plaque assay.
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绿色二酰基甘油三酸酯的病毒作用来自绿色微乳腺癌,coccomyxa sp。 KJ,针对通过斑块测定法评估的SARS-COV-2的临床分离株。

DOI:
10.1002/jcla.24146
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发表时间:
2022-01
影响因子:
2.7
通讯作者:
Kawahara T
Kawahara T
中科院分区:
医学4区
文献类型:
--
作者:
Hayashi K;Asai S;Umezawa K;Kakizoe H;Miyachi H;Morita M;Akaike T;Kuno H;Komatsu S;Watanabe T;Kawahara T

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严重急性呼吸综合征冠状病毒2(SARS-CoV-2)是2019冠状病毒病(COVID-19)的病原体,能够在人与人之间传播并迅速在全球传播。因此,建立高质量的病毒检测和定量方法,以及开发抗SARS-CoV-2药物至关重要。在这里,我们提出了使用0.5%琼脂糖-ME(介质电渗)作为覆盖介质的噬斑试验快速检测传染性SARS-CoV-2颗粒。噬菌斑能够在感染后36-40 h内检测到病毒。此外,我们还发现,从微囊藻(Coccomyxa sp. KJ)中分离的单半乳糖基二酰甘油酯可以以时间和浓度依赖性方式抑制SARS-CoV-2的临床分离株。这些结果将允许快速定量感染性病毒滴度,并有助于开发针对SARS-CoV-2的更有效的杀病毒剂。我们提出了在感染后36-40小时内使用空斑试验快速检测SARS-CoV-2。此外,我们还发现了一种来自微生物的化合物可以灭活病毒。
Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is the causative agent of coronavirus disease 2019 (COVID‐19) and is capable of human‐to‐human transmission and rapid global spread. Thus, the establishment of high‐quality viral detection and quantification methods, and the development of anti‐SARS‐CoV‐2 agents are critical. Here, we present the rapid detection of infectious SARS‐CoV‐2 particles using a plaque assay with 0.5% agarose‐ME (Medium Electroosmosis) as an overlay medium. The plaques were capable of detecting the virus within 36–40 h post‐infection. In addition, we showed that a monogalactosyl diacylglyceride isolated from a microalga (Coccomyxa sp. KJ) could inactivate the clinical isolates of SARS‐CoV‐2 in a time‐ and concentration‐dependent manner. These results would allow rapid quantification of the infectious virus titers and help develop more potent virucidal agents against SARS‐CoV‐2. We presented the rapid detection of SARS‐CoV‐2 using a plaque assay within 36–40 h post‐infection. In addition, we showed that a compound from a microalga inactivated the virus.
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