Results 231 to 240 of about 2,047,215 (274)

A Tumor‐Boundary Niche Enriched for PD‐1+CD8+T Cells and BTLA+B Cells Drives Resistance to Immunotherapy in NSCLC

open access: yesAdvanced Science, EarlyView.
A spatial niche composed of BTLA+B cells and CD8+T cells is enriched at the tumor boundary in non‐small cell lung cancer. Within this specialized niche, BTLA+B cells act as a dominant source of IL‐6, upregulating PD‐1 on CD8+T cells via STAT3 signaling.
Jiajuan Wu   +6 more
wiley   +1 more source

Acid‐Responsive Nanobot‐Integrated Core‐Shell Microneedles Reprogram the Degenerative Annulus Fibrosus Microenvironment Through Epigenetic Suppression of Ferroptosis

open access: yesAdvanced Science, EarlyView.
An acid‐responsive core‐shell microneedle system normalizes the degenerative annulus fibrosus microenvironment by consuming pathological H+, generating O2, and providing NIR‐amplified redox buffering. Mechanistically, it epigenetically suppresses ferroptosis via DNMT3A‐dependent methylation of the ATF3 promoter, relieving ATF3‐mediated repression of ...
Lu Tan   +7 more
wiley   +1 more source

Mechanisms of Genic Male Sterility

open access: yesCrop Science, 1995
For normal sexual reproductive development, coordination must occur between both male and female organ ontogeny. An abnormality at any point in this process may lead to sterility. Classification of sterility can be divided into heritable and nonheritable sterility.
Horner, Harry, Palmer, Reid
openaire   +3 more sources

Analyses of a genic male-sterile mutant in soybean

open access: yes, 2018
Genetic and cytological studies were conducted with a new male-sterile, femalefertile soybean [Glycine max (L.) Merr.] mutant. This mutant was completely male sterile and was inherited as a single-recessive gene. No differences in female or male gamete transmission of the recessive allele were observed between reciprocal cross-pollinations in the Fi or
Jin, Wei
openaire   +2 more sources

Taigu Genic Male-Sterile Wheat

open access: yes, 1987
This book deals with the theoretical background and breeding methods of the single dominant male sterile gene, a spontaneous mutant discovered for the first time in wheat. The book is divided into three sections: the discovery of Taigu genic male-sterile
Teng, Ching-yang.
openaire   +2 more sources
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Environment‐sensitive genic male sterility in rice and other plants

Plant, Cell & Environment, 2022
AbstractEnvironment‐sensitive genic male sterility is a type of male sterility that is affected by both genetic and environmental factors. Environment‐sensitive genic male sterile lines are not only used in two‐line hybrid breeding but are also good materials for studying plant−environment interactions.
Guoqing Peng   +3 more
openaire   +2 more sources

Genetics of thermosensitive genic male sterility in rice

Euphytica, 1996
Inheritance of thermosensitive genic male sterility (TGMS) in Norin PL12 and IR32364TGMS and their allelic relationship were studied from F1, F2 testcross (TC) and F3 generations of the crosses made with the two mutants and several fertile tester parents. F2, TC and F3 segregation behavior for pollen and spikelet fertility indicated that the TGMS trait
R. R. Borkakati, S. S. Virmani
openaire   +1 more source

Analysis of genic male sterility in Brassica oleracea

Euphytica, 1993
The male sterility system MS-1 of Brassica oleracea was studied in order to elucidate if nucleo-cytoplasmic interactions determine this system. Crosses of male sterile MS-1 genotypes with heterozygous MS-5 genotypes gave fully fertile F1 progenies. Selfing of seven F1 plants resulted in five F2 populations showing a 9:7 segregation ratio and two a 3:1 ...
C. Kik   +2 more
openaire   +1 more source

Fine Mapping and Expression Analysis of Thermosensitive Genic Male Sterility Gene (Tms) in Rice (Oryza sativa L.)

open access: yesPlant Gene, 2019
Thermosensitive genic male sterility (TGMS) is a most comfortable type of male sterility for the production of two-line hybrids in rice. In TGMS system, genes responsible for male sterility and its reversibility is of great importance to create a new ...
Sai Rekha Kadirimangalam   +2 more
exaly   +2 more sources

Progress on genic male sterility gene in soybean.

Yi chuan = Hereditas, 2021
Male sterility refers to the phenomenon that stamens cannot grow normally and produce viable pollen grains in plants. Hybrid seed production by taking advantage of the trait of male sterility is an effective and quick strategy to increase crop yield. Up to date, the yield of rice (Oryza sativa L.), maize (Zea mays L.), wheat (Triticum aestivum L.) and ...
Xiao Yuan, Sun   +8 more
openaire   +1 more source

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