Abstract: Disclosed are a method and device for fixed-point editing of a nucleotide sequence stored with data.

Abstract: Provided are a method and system for storing information using DNA. The method comprises: 1) obtaining a DNA fragment attribute library, wherein the DNA fragment attribute library comprises a plurality of DNA molecules, and comprises a retrieval table of storage object attributes and the DNA molecules, and each DNA molecule comprises double-stranded DNA, which represents the storage object attribute, and a single-stranded sticky end for connection; 2) on the basis of the retrieval table, encoding information to be stored, so that same is directly mapped to a corresponding DNA molecule in the DNA fragment attribute library; 3) acquiring corresponding DNA fragments from the DNA fragment attribute library, and connecting same, so as to obtain a connected DNA molecule; and 4) storing the connected DNA molecule.

Abstract: A method for generating a DNA storage encoding/decoding rule, and a method for DNA storage encoding/decoding. The method for generating the DNA storage encoding/decoding rule includes: setting a sliding window for the DNA storage encoding/decoding rule; screening out, from a full set of sequences, a set of qualified sequences complying with a limiting condition; connecting the sequences in the set of qualified sequences by means of a directed graph; deleting, in the directed graph, nodes of which the number of out-degree is less than a set threshold for the number of out-degree; deleting excess out-degree of each node in the directed graph; and acquiring an algorithm chart, which includes the DNA storage encoding/decoding rule.

Abstract: A method for information encoding and decoding, and method for information storage and interpretation are provided. The information encoding method includes: first binary information and second binary information as well as a first encoding rule and a second encoding rule are obtained; a first output candidate symbol corresponding to a current input of the first binary information is obtained and a second output candidate symbol corresponding to a current input of the second binary information is obtained, and an intersection of the first output candidate symbol and the second output candidate symbol is taken as an output corresponding to a current input; and an output symbol corresponding to each binary bit of the first binary information and the second binary information is sequentially determined through the first encoding rule and the second encoding rule, as to obtain an encoding sequence formed by a plurality of the output symbols.

Abstract: Disclosed are a method and device for fixed-point editing of a nucleotide sequence stored with data.