It 's usually produced by the castor oil plant , ricinuscommunis , but is better known as ricin .
这种毒素通常存在于蓖麻中，也就是人们更为熟知的蓖麻毒素。
Illnesses caused by the deliberate release of dangerous bacteria , viruses or fungi , or biological toxins ( e.g. ricin , a natural toxin occurring in plants ) .
由于故意是否危险细菌、病毒或真菌导致的疾病，也包括生物毒素（如存在于一种天然植物中的蓖麻毒素）
The poison is ricin , which is so toxic that workers who collect the seeds have strict safety guidelines to prevent accidental death .
There was nothing to stop us from trying to put the gene for one of nature 's most potent toxins into bacteria to see if we could make them produce unlimited copies clone the ricin gene in other words .
