This artwork is alive.
这个艺术品是活的
Each one is made from fungi and bacteria.
每一个都是由真菌和细菌组成的
Ew, gross, right?
呃 很恶心 是吧
But this art is being used
但是这个艺术品就是为了
to change people’s minds about microorganisms.
改变人们对于微生物的看法
The person credited with pioneering the art
被赞誉为艺术的先驱的人
is Alexander Fleming.
是Alexander Fleming
If that name sounds familiar,
是不是听起来熟悉
it’s because he’s the scientist
是因为他是一位
who discovered the antibiotic properties of penicillin.
发现了青霉素抗菌特性的科学家
微生物艺术
The organization behind these particular artworks
这项特殊作品背后的团队
is called Petri Dish Picasso,
叫Petri Dish Picasso
and it’s easy to see why.
原因显而易见
They wanted to give people more access
他们想让更多的人亲力亲为
to the interesting world of microbiology with a hands-on approach.
培养关注微生物学领域的兴趣
Kids, especially, get a kick out of painting
尤其针对孩子们
with these little things called microbes.
了解有关微生物的绘画
Here’s how you paint with bacteria.
接下来介绍如何用细菌绘画
Maria Peñil Cobo: Today, I’m gonna draw a dandelion, and those are my brushes.
今天 我要用这些刷子画一个蒲公英
Narrator: Agar is a jellylike substance
琼脂是一种产生于
made from red seaweeds
红藻的果冻状物质
used to culture bacteria and fungus in labs.
在实验室中被用来培养细菌和真菌
It’s also an ingredient in foods like gummy bears and Jell-O.
它也是橡胶熊和果冻等食物中的成分
It’s sterilized into a liquid
在250华氏摄氏度的高温下
at about 250 degrees Fahrenheit,
加热灭菌成液体
poured into a petri dish, and left to cool and solidify.
倒入有盖培养皿让它冷却凝固
This is the canvas and the life support for the microbiome.
这是画布和微生物群落的生命支撑
A microbiome is defined as the microorganisms
微生物组的定义是
in a particular environment (including the body or a part of the body).
位于人体或人体某部分区域的微生物
步骤二 细菌
In separate containers, the paint, or microbes, must be grown.
在不同的容器中 颜料或者说细菌会生长
A liquid broth of water and nutrients does the trick.
富含水和营养物的液体培养基起着作用
A popular ingredient for making agar art is E. coli.
大肠杆菌是制作琼脂艺术的重要成分
步骤三 培养
Each organism has different nutritional needs
每个生物体都有不同的营养需求
and can produce different colors.
能产生不同的颜色
A single cell of E. coli can grow
一晚上一个大肠杆菌细胞
to over several billion cells overnight.
就可以繁殖出几十亿的细胞
步骤四 上色
Using a few different tools, the cultured bacteria cells
使用不同的工具
are taken from their stew and gently painted onto the agar.
将取自不同培养基的细菌再轻轻涂到琼脂上
Peñil Cobo: And for the flowers, I’m gonna use a different technique with a pipette.
画鲜花时 我要利用移液管使用一种不同的方法
Narrator: It’s almost like painting with invisible ink
就像用隐形墨水画画
because the cells need to grow into mature colony clusters
因为细胞需要生长成为成熟的细胞群落
for you to see them.
那样你才能看见
They’re put in an incubator at their optimal growing temperature.
细菌被放在恒温箱里 在适合的温度下生长
E. coli prefers to be grown
大肠杆菌生长最适温度
at about 99 degrees Fahrenheit.
大约为99华氏度
Depending on how fast the microbes replicate,
依据微生物复制速度的差异
the incubation step can take anywhere from 12 hours to several days.
细菌培养过程可从12小时持续至数日
步骤六 欣赏
Then it’s time to see if your agar art
是时候看看你的琼脂艺术
is in the league of Pablo Picasso, or maybe Jackson Pollock.
能否和毕加索或波洛克相媲美了
Agar art doesn’t last forever.
琼脂艺术不能永存
As the cells run out of nutrients,
当细菌耗尽营养时
they will begin to die.
就开始死亡
Some agar artists try to preserve their work
一些琼脂艺术家尝试用将作品保存在树脂中
by casting it in resin, but not Petri Dish Picasso.
但这些艺术家比不上毕加索
As they say, all good things must come to an end.
俗话说得好 好东西不会永存

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