Welcome to Anagrammer Crossword Genius! Keep reading below to see if gutless is an answer to any crossword puzzle or word game (Scrabble, Words With Friends etc). Scroll down to see all the info we have compiled on gutless.
gutless
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The answer GUTLESS has 31 possible clue(s) in existing crosswords.
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The word GUTLESS is VALID in some board games. Check GUTLESS in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of gutless in various dictionaries:
adj - lacking courage or vitality
adj - weak in willpower, courage or vitality
Lacking courage or drive.
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Keep reading for additional results and analysis below.
| Possible Dictionary Clues |
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| lacking courage or determination. |
| lacking courage or vitality |
| showing no courage: |
| Lacking courage or determination. |
| Slang Lacking courage or drive. |
| Slang Lacking substance weak or insignificant. |
| Gutless might refer to |
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A Helper dependent virus also termed a gutless virus is a synthetic viral vector dependent on the assistance of a helper virus in order to replicate.Hepatitis D virus (HDV) is an example of a replication defective, helper dependent ssRNA virus because it requires Hepatitis B virus (HBV) to provide HBV surface antigen (HBsAg) for the encapsidation of its genome. The envelope proteins on the outer surface of HDV are entirely provided by HBV. * Since the genome of the gutless virus does not include genes encoding the enzymes and/or structural proteins required to replicate, it is deemed safe for use in gene therapy since an infection cannot occur except in the presence of a suitable helper virus.Well established protocols allow scientists to propagate helper dependent viruses in the lab. However, using an actual helper virus poses problems when it comes to purification of a desired transgenic virus. Therefore, lab methods often utilize minimal fragments of the helper DNA that can serve this purpose without creating unwanted virus. This process usually involves the introduction of three separate DNA plasmids into a eukaryotic cell line through a process called transfection. These plasmids contain either transgenic DNA or replication and capsid encoding DNA, plus helper DNA. Every cell that is successfully transfected with all three DNA fragments will produce the necessary proteins to produce infective viruses. These viruses will only have transgenic DNA encapsidated and therefore once they've infected a patient's cell, they will not be capable of reproducing.Helper dependent viruses can also occur in nature without being "gutted". The term satellite virus has been given to a large group of viruses that all require the presence of another virus to replicate. Many of these are plant viruses, but animal viruses can be seen in the case of dependoviruses. Within the family parvoviridae, the dependovirus genus was given a distinct classification due to their dependence on another virus. The most widely known dependovirus is adeno-associated virus (AAV) which was originally discovered as a contaminant in a sample of simian adenovirus. Though AAV is considered to be dependent on adenovirus, it is able to replicate in the presence of herpesvirus as well as certain cytotoxic events such as UV irradiation or some carcinogens During the course of a natural dependovirus infection, if the helper virus is not present, the dependovirus is often capable of integrating into the host genome and going into a latent phase of its life cycle—effectively waiting for the next helper virus infection. For gene therapy uses, the vector is stripped of its ability to integrate. Because AAV can deliver transgenic material in a non-replicating form, it is a strong candidate for gene therapy and is currently used in about 5% of clinical trials. |
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