mimulus/אי פוריות

הקישור נשמר בלוח

מאמריםניסויים קלינייםפטנטים

בחר סוג מיון

עמוד 1 מ 21 תוצאות

The contribution of male-sterility mutations to inbreeding depression in Mimulus guttatus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The magnitude of inbreeding depression can influence many aspects of a population's ecology and evolution, including the nature of selection acting on the mating system and the chances that the population will go extinct during periods of small population size. If inbreeding depression is caused

Evidence for Dobzhansky-Muller incompatibilites contributing to the sterility of hybrids between Mimulus guttatus and M. nasutus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Both chromosomal rearrangements and negative interactions among loci (Dobzhansky-Muller incompatibilities) have been advanced as the genetic mechanism underlying the sterility of interspecific hybrids. These alternatives invoke very different evolutionary histories during speciation and also predict

Hybrid male sterility in Mimulus (Phrymaceae) is associated with a geographically restricted mitochondrial rearrangement.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Cytoplasmic male sterility (CMS) and nuclear fertility restoration (Rf) involves intergenomic coevolution. Although male-sterile phenotypes are rarely expressed in natural populations of angiosperms, CMS genes are thought to be common. The evolutionary dynamics of CMS/Rf systems are poorly

Cytoplasmic male sterility in Mimulus hybrids has pleiotropic effects on corolla and pistil traits.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

The mechanisms underlying genetic associations have important consequences for evolutionary outcomes, but distinguishing linkage from pleiotropy is often difficult. Here, we use a fine mapping approach to determine the genetic basis of association between cytonuclear male sterility and other floral

Mechanisms of Transmission Ratio Distortion at Hybrid Sterility Loci Within and Between Mimulus Species.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Hybrid incompatibilities are a common correlate of genomic divergence and a potentially important contributor to reproductive isolation. However, we do not yet have a detailed understanding of how hybrid incompatibility loci function and evolve within their native species, or why they are

A simple genetic incompatibility causes hybrid male sterility in mimulus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Much evidence has shown that postzygotic reproductive isolation (hybrid inviability or sterility) evolves by the accumulation of interlocus incompatibilities between diverging populations. Although in theory only a single pair of incompatible loci is needed to isolate species, empirical work in

Rampant misexpression in a Mimulus (monkeyflower) introgression line caused by hybrid sterility, not regulatory divergence.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Divergence in gene expression regulation is common between closely related species and may give rise to incompatibilities in their hybrid progeny. In this study, we investigated the relationship between regulatory evolution within species and reproductive isolation between species. We focused on a

Chromosomal rearrangements directly cause underdominant F1 pollen sterility in Mimulus lewisii-Mimulus cardinalis hybrids.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Chromosomal rearrangements can contribute to the evolution of postzygotic reproductive isolation directly, by disrupting meiosis in F1 hybrids, or indirectly, by suppressing recombination among genic incompatibilities. Because direct effects of rearrangements on fertility imply fitness costs during

A cytonuclear incompatibility causes anther sterility in Mimulus hybrids.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Multilocus interactions (also known as Dobzhansky-Muller incompatibilities) are thought to be the major source of hybrid inviability and sterility. Because cytoplasmic and nuclear genomes have conflicting evolutionary interests and are often highly coevolved, cytonuclear incompatibilities may be

Indirect evolution of hybrid lethality due to linkage with selected locus in Mimulus guttatus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Most species are superbly and intricately adapted to the environments in which they live. Adaptive evolution by natural selection is the primary force shaping biological diversity. Differences between closely related species in ecologically selected characters such as habitat preference,

The nuclear component of a cytonuclear hybrid incompatibility in Mimulus maps to a cluster of pentatricopeptide repeat genes.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Characterizing the genetic and molecular basis of hybrid incompatibilities is a first step toward understanding their evolutionary origins. We fine mapped the nuclear restorer (Rf) of cytoplasm-dependent anther sterility in Mimulus hybrids by identifying and targeting regions of the Mimulus guttatus

Evidence of natural selection acting on a polymorphic hybrid incompatibility locus in Mimulus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

As a common cause of reproductive isolation in diverse taxa, hybrid incompatibilities are fundamentally important to speciation. A key question is which evolutionary forces drive the initial substitutions within species that lead to hybrid dysfunction. Previously, we discovered a simple genetic

The genetic architecture of traits associated with the evolution of self-pollination in Mimulus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Quantitative trait locus (QTL) mapping is a first step toward understanding the genetic basis of adaptive evolution and may also reveal reproductive incompatibilities unique to hybrids. In plants, the shift from outcrossing to self-pollination is common, providing the opportunity for comparisons of

Selfish evolution of cytonuclear hybrid incompatibility in Mimulus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Intraspecific coevolution between selfish elements and suppressors may promote interspecific hybrid incompatibility, but evidence of this process is rare. Here, we use genomic data to test alternative models for the evolution of cytonuclear hybrid male sterility in Mimulus In hybrids between Iron

Natural variation for a hybrid incompatibility between two species of Mimulus.

רק משתמשים רשומים יכולים לתרגם מאמרים

התחבר הרשם

Understanding the process by which hybrid incompatibility alleles become established in natural populations remains a major challenge to evolutionary biology. Previously, we discovered a two-locus Dobzhansky-Muller incompatibility that causes severe hybrid male sterility between two inbred lines of

קודם
1
2
הַבָּא

הצטרפו לדף הפייסבוק שלנו

Herbal & Natural Medicine

המאגר השלם ביותר של צמחי מרפא המגובה על ידי המדע

עובד ב 55 שפות
מרפא צמחי מרפא מגובה על ידי מדע
זיהוי עשבי תיבול על ידי דימוי
מפת GPS אינטראקטיבית - תייגו עשבי תיבול במיקום (בקרוב)
קרא פרסומים מדעיים הקשורים לחיפוש שלך
חפש עשבי מרפא על פי השפעותיהם
ארגן את תחומי העניין שלך והתעדכן במחקר החדשות, הניסויים הקליניים והפטנטים

הקלד סימפטום או מחלה וקרא על צמחי מרפא שעשויים לעזור, הקלד עשב וראה מחלות ותסמינים שהוא משמש נגד.
* כל המידע מבוסס על מחקר מדעי שפורסם