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【健康教育】细菌那些事儿——金黄色葡萄球菌
以下文章来源于宝山疾控 ,作者宝山疾控
宝山疾控.
向公众传播健康防病知识,传递疾病预防保健技术,引导公众采取健康的行为,帮助人们建立科学健康的生活方式。
金黄色葡萄球菌
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大家好,我叫金黄色葡萄球菌,在自然界中人类的眼睛是看不到我的哦!
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/422.jpg)
这个我知道,你是葡萄球菌属的一种,直径约1um,想要看见你必须要借助一些科学方法~
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/425.jpg)
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下面给大家看一下我的“真身”!
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哈哈哈哈哈,给大家开了个小玩笑,这是真葡萄,我其实长这样子 ~
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/441.jpg)
电子显微镜下的金黄色葡萄球菌(革兰染色)
你是革兰氏阳性球菌的代表,在革兰染色中能被染成紫色,在哥伦比亚血琼脂平板上菌落呈金黄或黄色,菌落周围有明显的透明溶血环。
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金黄色葡萄球菌
(哥伦比亚血琼脂平板)
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/473.jpg)
透明溶血环
(血琼脂平板)
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/481.jpg)
你真是太了解我啦!除了这些,我在金黄色葡萄球菌显色平板上呈粉色圆形菌落,有点像“樱花粉”,很容易分辨的哦 ~
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金黄色葡萄球菌显色平板
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大家别看金黄色葡萄球菌这么小,它的“威力”可不一般!
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/509.jpg)
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嘿嘿,我是一种常见的食源性致病菌,常寄生于人和动物的皮肤、鼻腔、咽喉、肠胃、痈、化脓疮口中,空气、污水等环境中也无处不在 ~
食物中也有你,多存在于奶制品、生肉和肉制品、鱼、蛋,凉拌菜、剩饭等。在适当的条件下,能够产生肠毒素,引起食物中毒。
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都是为了生存嘛……37℃,pH7.4的环境最有助于我生长,而且我有较强的抵抗力,能耐干燥,耐高盐,在盐浓度接近10%的环境中也可生长。
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/530.jpg)
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但是并非拿你没办法哦,较长时间70°C以上的温度、高浓度盐糖溶液、碱性染料可以有效抑制你的生长,可以“代表月亮消灭你” !
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/537.jpg)
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别忘了,我产生的肠毒素可耐受 100℃ 煮沸 30 分钟。
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/542.jpg)
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可恶嘞!你的肠毒素引起食物中毒的潜伏期一般2~4h,杀伤力却不小,能引起剧烈呕吐、腹痛、腹泻等急性肠胃炎症状。
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物竞天择,适者生存嘛~
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/559.jpg)
也是,因为人类对抗生素的滥用和不合理使用,你的耐药性也在增强,产生的耐甲氧西林金黄色葡萄球菌(Methicillin-resistant S.aureus,MRSA) 危害最大,检出率逐年增高,已成为院内和社区感染的重要病原菌之一。
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/567.jpg)
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MRSA 可是有“超级细菌”的称号~
![](https://imagepphcloud.thepaper.cn/pph/image/162/130/573.jpg)
还好看不见你,不然你要“挨打”了!
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防治金葡菌感染,我们要加强卫生宣传教育,讲究个人卫生,注意防护措施;皮肤创伤应及时处理,合理用药,避免滥用抗生素;食物要加热熟透再食用。
资料来源:宝山疾控
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原标题:《【健康教育】细菌那些事儿——金黄色葡萄球菌》
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