The bacterium, meanwhile, produces signals that keep the yeast's growth in check, preventing it from transforming itself from a single-celled yeast into a branching, multicellular fungus.
同时细菌也没闲着，产生信号阻碍真菌的繁殖，阻止其从单细胞的形式转化成分枝的多细胞真菌。
We all share common ancestors, because all life came from the first self-reproducing, single-celled organism that existed in the oceans of primal earth.
我们有着共同的祖先，因为所有的生命都来源于原始地球上第一个存在于海洋中自我复制的单细胞有机体。
The discovery of life-forms so deep underground strengthens the notion that most of the organisms on the planet are in fact hardy, single-celled creatures that live in the rock beneath our feet.
在如此深的地下发现生命再次表明了我们星球上大多数生物是生活在我们脚下岩石中强悍的单细胞生物。
Scientists are also discovering that our nervous system shares an even deeper homology with single-celled organisms.
科学家们甚至还发现我们的神经系统和单细胞生物有着更为深层次的同源性。
Scientists have known for some time that life exists at such depths, but they thought it mostly consisted of single-celled organisms.
科学家们早已知道在这一深度存在有生命，但他们认为存在的主要是单细胞生物。
Dinoflagellates are single-celled and primitive Marine organisms.
沟鞭藻为单细胞的原始的海洋生物。
Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.
研究人员一度以为，只有单细胞生物，如原核生物和原生动物，才能在深海缺氧环境中生活。
He reasoned that some single-celled creatures are known to enter a hibernation-like state and survive for years with no air or food.
他推断，已知的一些单细胞生物进入类似冬眠的状态，在没有空气和食物的情况下存活数年。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flowers.
植物的祖先是进行光合作用的单细胞生物，由此产生的植物可能缺乏真正的根、茎、叶和复杂的生殖结构，如花朵。
Nonetheless, there are indications that single-celled organisms can learn.
尽管如此，仍有迹象表明单细胞有机体可以学习。
The single-celled diatoms below—the likes of which are found in oceans worldwide—were collected with a plankton net in San Francisco Bay.
上图就是旧金山海湾的一个浮游生物网内聚集的单细胞植物硅藻——这种藻类在世界各大海洋都广泛分布。
Diatomaceous earth (which we shall hereby call DE because it's a lot easier to type) is the fossilized remains of single-celled algae called diatoms.
硅藻土(下文简称DE)是一种被称为硅藻的石化单细胞海藻。
They pointed out that because bacteria constantly reproduce, a group of the single-celled organisms could store a piece of information for thousands of years.
他们指出，由于细菌不断繁殖，一条信息可以在单细胞有机体中储存数千年。
Any form of life we find there, we won't have encountered before - there will probably be viruses, and we may have bacteria, archaea (other single-celled organisms) and... maybe fungi.
我们在那里发现的任何生命形式，以前都不曾见过——可能有病毒，我们还可能会发现细菌、古代细菌(其他单细胞生物)以及…真菌也有可能。
There was thought to be one exception, however, in the form of Giardia, a single-celled parasite with a nasty effect on people.
曾经一度认为有一个例外，是一种叫Giardia的单细胞寄生生物，常引起人体患鞭毛虫病。
CroV, as its full name suggests, is a parasite of Cafeteria roenbergensis, a single-celled planktonic organism that was itself discovered only in 1988.
从CroV病毒的全称可以看出，它的宿主是海洋微型异养鞭毛虫(Cafeteriaroenbergensis)——一种直到1988年才发现的单细胞浮游生物。
The last of the Bay-area drop-in contenders is, in many ways, the most intriguing. Solazyme, another firm based in South San Francisco, wants to use single-celled algae to make its fuel.
位于旧金山湾地区最后一家也加入完全替代型燃料竞争的公司从很多方面来说也是最令人瞩目的，它就是同样位于南圣弗朗西斯科的Solazyme公司，它想利用单细胞藻类制造燃料。
The invention of the visible light microscope late in the 16th century introduced a previously unknown realm of single-celled plants and animals.
16世纪后期，可视光学显微镜的发明使人类第一次观察到了单细胞动植物的世界。
These "biotic games" involve a variety of basic biological processes and some simple single-celled organisms, such as paramecia.
这种游戏牵涉到一系列基本的生物学过程，使用的是一些简单的单细胞有机体，如草履虫。
Nearly three decades ago, Szostak began to collaborate with Blackburn, looking at the tips of the chromosome of a single-celled, pond-dwelling organism called Tetrahymena.
在将近30年前，Szostak开始与Blackburn合作，研究池塘单细胞生物四膜虫的染色体尖端。
Malaria is an infectious disease caused by a single-celled protozoan parasite called Plasmodium of which there are ten species that infect humans.
疟疾是一种叫做疟原虫的单细胞原虫所导致的传染病，而可以感染人类的疟原虫总共有十种。
Some phytoplankton are bacteria, some are protists, and most are single-celled plants.
有些浮游植物是细菌，有些是原生生物，而大多数则是单细胞植物。
Our single-celled ancestors who lived more than 1.5 billion years ago were already impressively gene-rich and sophisticated, as per last week's blog.
生活在15亿年前的单细胞生物祖先就已经拥有丰富而复杂的基因，根据上周的博客。
Jellyfish, by comparison, are 10% carbon, and diatoms (single-celled algae that are common in plankton) 20%.
相比之下，水母的碳含量为体重的10%，而硅藻(是单细胞海藻，属常见的浮游生物)则为20%。
Algae range in size from single-celled organisms to giant kelp plants. Some live near the surface of the ocean, and these algae need nitrogen to grow.
海藻包括小到单细胞有机体、大到巨型褐藻的多种类型植物，有些海藻生长于海面附近，依赖氮元素成长。
But there was still a very different physiological challenge for these organisms than for the more evolutionarily ancient single-celled organisms such as bacteria.
然而与进化上更古老的单细胞生物如细菌相比这些多细胞生命面临着一个非常不同的生理挑战。
This single-celled fungus feeds on sugars and reproduces frequently—if it has enough to eat, a culture can double in population in 90 minutes.
这种单细胞生物吃糖，而且繁殖迅速——如果有足够的食料，他们的种群数量可以每九十分钟增加一倍。
Microscopic parasites include single-celled protozoans such as amoebas and sporozoa, fungi, and bacteria, which can infect animals and plants.
显微镜下可见的有单细胞原生类寄生虫，例如阿米巴和孢子虫，真菌及细菌，这些均能感染动物及植物。
The two organisms used in this study, the single-celled budding yeast and the roundworm C. elegans, are commonly used models for aging research.
在这项研究中用的两种生物，单细胞芽殖酵母和秀丽隐杆线虫，是研究老化过程的常用模式。
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